Finding the Fourth Proportional to 111,821.70, 154,315.17 and 60,834.72

Step by Step Solution

1. Step 1: Write the proportion equation
   111,821.70 : 154,315.17 = 60,834.72 : x
2. Step 2: Convert to fraction form
   111,821.70/154,315.17 = 60,834.72/x
3. Step 3: Cross multiply
   111,821.70x = 154,315.17 × 60,834.72
4. Step 4: Simplify right side
   111,821.70x = 9,387,720,158.70
5. Step 5: Solve for x
   x = 9,387,720,158.70/111,821.70
6. Step 6: Final answer
   x = 83,952.58