Follow below steps;
1. Go Lists > Search > Saved Searches > New.
2. Select Transaction.
3. Provide a Search Title for Search.
4. On the Criteria tab > Standard subtab, Specify criteria.
5. On the Results tab > Columns subtab set the following:
Select the field Formula (Currency)
Apply the Formula {fxamount}. Give a Label name
6. Click Add
7. Click Save & Run