Finding the Fourth Proportional to 148,200.52, 204,516.72 and 81,132.52

Step by Step Solution

1. Step 1: Write the proportion equation
   148,200.52 : 204,516.72 = 81,132.52 : x
2. Step 2: Convert to fraction form
   148,200.52/204,516.72 = 81,132.52/x
3. Step 3: Cross multiply
   148,200.52x = 204,516.72 × 81,132.52
4. Step 4: Simplify right side
   148,200.52x = 16,592,956,875.73
5. Step 5: Solve for x
   x = 16,592,956,875.73/148,200.52
6. Step 6: Final answer
   x = 111,962.88