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.
[[-81, 25, 78, -172], [-30, -95, 26, -91, -63], [78, -60, -154], [29, -43, 10, -69, 85, 26, -30], [-189, -184, 83, -74]]