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.
[[-150, -18, -93], [-107, 47, -183, -198, 73], [-188, -186, -24, -12, -56]]