Finding the Fourth Proportional to 132,418.01, 182,740.46 and 71,992.72

Step by Step Solution

1. Step 1: Write the proportion equation
   132,418.01 : 182,740.46 = 71,992.72 : x
2. Step 2: Convert to fraction form
   132,418.01/182,740.46 = 71,992.72/x
3. Step 3: Cross multiply
   132,418.01x = 182,740.46 × 71,992.72
4. Step 4: Simplify right side
   132,418.01x = 13,155,981,610.00
5. Step 5: Solve for x
   x = 13,155,981,610.00/132,418.01
6. Step 6: Final answer
   x = 99,351.91