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.
[[-47, -25, 19, -169], [-45, -39, 97, 29, -68, 67, 65], [79, -26, -109, -20]]