This puzzle is a meta puzzle that combines the answers to the four previous puzzles to create another answer. Each of the four previous answers corresponds to an entry in the crossword. The numbers do not necessarily correspond to the order of the puzzles.
Each answer should be written in one of the four empty rows or columns. The boxes with a solid outline are all filled, but the boxes with a dotted outline may or may not be filled.
After numbering the starts of the answers in the crossword, fill in each blank with the letter at the intersection of the two numbered answers indicated below it.
Crosswords are numbered from left to right in each row, starting from the highest row. The fact that the two Down answers are not numbered "1" and "2" indicates something about the positioning of one of the Down answers.
It means that exactly one of the Down answers starts from a letter inside the first Across answer, but the fact that all four numbers are different means they don't share the same starting letter.
The upper-left intersecting letter is a "G," and the remaining intersecting letters are read clockwise from there.