CrossTab Column Resize dynamically

Hi All,

In the Cross tab column group is dynamic as 4 or 5 or 6 so what I want is to dynamically set the column width and make the cross tab fit into A4 Sheet(Portrait).So in the attached image Result column is based on weeks in a month so it may be 4 or 5 or 6 so must make this column fit into A4 sheet.So please help on this..