Thanks for writing in! This is possible with custom development, but this would be outside the scope of support we can offer.
You will have to override the template files that control the layout/view of the portfolio items through the child theme.
To get you started, here are some links you can check for reference:
The portfolio files that you will have to change around found in
You will also need to add some custom CSS to further style the page.
If you are not sure how to proceed, you may wish to consult a developer to assist you with this. X is quite extensible with child themes, so there are plenty of possibilities.
Hope this helps you get started.