Finding the Fourth Proportional to 111,150.24, 153,373 and 63,400.76

Step by Step Solution

1. Step 1: Write the proportion equation
   111,150.24 : 153,373 = 63,400.76 : x
2. Step 2: Convert to fraction form
   111,150.24/153,373 = 63,400.76/x
3. Step 3: Cross multiply
   111,150.24x = 153,373 × 63,400.76
4. Step 4: Simplify right side
   111,150.24x = 9,723,964,763.48
5. Step 5: Solve for x
   x = 9,723,964,763.48/111,150.24
6. Step 6: Final answer
   x = 87,484.87