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.
[[97, -135, -83, -157, 30], [-24, 59, 42, -84, 64, -74], [6, 50, -174], [-170, 93, -66, -136]]