Finding the Fourth Proportional to 111,775.10, 154,250.67 and 60,788.31

Step by Step Solution

1. Step 1: Write the proportion equation
   111,775.10 : 154,250.67 = 60,788.31 : x
2. Step 2: Convert to fraction form
   111,775.10/154,250.67 = 60,788.31/x
3. Step 3: Cross multiply
   111,775.10x = 154,250.67 × 60,788.31
4. Step 4: Simplify right side
   111,775.10x = 9,376,637,545.67
5. Step 5: Solve for x
   x = 9,376,637,545.67/111,775.10
6. Step 6: Final answer
   x = 83,888.43