In this task, you are given a list. This list contains many lists of integers. The list is several items written within a []. Your task is to find the maximum number among the members of each inner list. The output should be a list comprised of the maximums with the same order as the internal lists.
[[-74, 22, -43, -64, 16, 61, -21], [-118, -9, 19, -139, -29, 93, 79], [-66, 56, 70, -196, -62], [-35, -174, 90, -131]]