Finding the Fourth Proportional to 111,943.38, 154,470.12 and 63,529.89

Step by Step Solution

1. Step 1: Write the proportion equation
   111,943.38 : 154,470.12 = 63,529.89 : x
2. Step 2: Convert to fraction form
   111,943.38/154,470.12 = 63,529.89/x
3. Step 3: Cross multiply
   111,943.38x = 154,470.12 × 63,529.89
4. Step 4: Simplify right side
   111,943.38x = 9,813,469,731.89
5. Step 5: Solve for x
   x = 9,813,469,731.89/111,943.38
6. Step 6: Final answer
   x = 87,664.58