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, 26, -120, 79, -148, -72, -109], [5, 52, 28, -20, -89, 7], [-136, 92, 95], [-9, -170, 62]]