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.
[[34, -15, 0, -63], [-64, -23, -173], [72, -57, 34, -65, 27, -74], [-3, 36], [-84, -88]]