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.
[[9, -109, -16, -124, -150, -93, 92], [-127, 87, 16, -83], [-85, -123, -143, -161, -91], [15, -69]]