Finding the Fourth Proportional to 111,572.52, 153,925.56 and 71,275.83

Step by Step Solution

1. Step 1: Write the proportion equation
   111,572.52 : 153,925.56 = 71,275.83 : x
2. Step 2: Convert to fraction form
   111,572.52/153,925.56 = 71,275.83/x
3. Step 3: Cross multiply
   111,572.52x = 153,925.56 × 71,275.83
4. Step 4: Simplify right side
   111,572.52x = 10,971,172,047.21
5. Step 5: Solve for x
   x = 10,971,172,047.21/111,572.52
6. Step 6: Final answer
   x = 98,332.21