Finding the Fourth Proportional to 132,410.55, 182,725.90 and 71,981.00

Step by Step Solution

1. Step 1: Write the proportion equation
   132,410.55 : 182,725.90 = 71,981.00 : x
2. Step 2: Convert to fraction form
   132,410.55/182,725.90 = 71,981.00/x
3. Step 3: Cross multiply
   132,410.55x = 182,725.90 × 71,981.00
4. Step 4: Simplify right side
   132,410.55x = 13,152,793,829.82
5. Step 5: Solve for x
   x = 13,152,793,829.82/132,410.55
6. Step 6: Final answer
   x = 99,333.43