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.
[[-103, -151, 13, -26, 47, -120], [43, -101, -15, 12, -71, 81], [-97, -92, 58], [-105, -71, 90, -179]]