Finding the Fourth Proportional to 111,151.86, 153,388.14 and 63,406.02

Step by Step Solution

1. Step 1: Write the proportion equation
   111,151.86 : 153,388.14 = 63,406.02 : x
2. Step 2: Convert to fraction form
   111,151.86/153,388.14 = 63,406.02/x
3. Step 3: Cross multiply
   111,151.86x = 153,388.14 × 63,406.02
4. Step 4: Simplify right side
   111,151.86x = 9,725,731,472.60
5. Step 5: Solve for x
   x = 9,725,731,472.60/111,151.86
6. Step 6: Final answer
   x = 87,499.49