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.
[[-20, -163, -126, -26], [-7, -183], [1, 84, 39, -79, -79, -98], [13, 2, -5, 20, 98, 30, -4]]