Finding the Fourth Proportional to 132,404.66, 182,747.54 and 87,086.78

Step by Step Solution

1. Step 1: Write the proportion equation
   132,404.66 : 182,747.54 = 87,086.78 : x
2. Step 2: Convert to fraction form
   132,404.66/182,747.54 = 87,086.78/x
3. Step 3: Cross multiply
   132,404.66x = 182,747.54 × 87,086.78
4. Step 4: Simplify right side
   132,404.66x = 15,914,894,811.52
5. Step 5: Solve for x
   x = 15,914,894,811.52/132,404.66
6. Step 6: Final answer
   x = 120,198.90