Finding the Fourth Proportional to 111,111.76, 153,337.89 and 60,810.76

Step by Step Solution

1. Step 1: Write the proportion equation
   111,111.76 : 153,337.89 = 60,810.76 : x
2. Step 2: Convert to fraction form
   111,111.76/153,337.89 = 60,810.76/x
3. Step 3: Cross multiply
   111,111.76x = 153,337.89 × 60,810.76
4. Step 4: Simplify right side
   111,111.76x = 9,324,593,627.70
5. Step 5: Solve for x
   x = 9,324,593,627.70/111,111.76
6. Step 6: Final answer
   x = 83,920.85