Finding the Fourth Proportional to 132,499.20, 182,851.91 and 72,073.07

Step by Step Solution

1. Step 1: Write the proportion equation
   132,499.20 : 182,851.91 = 72,073.07 : x
2. Step 2: Convert to fraction form
   132,499.20/182,851.91 = 72,073.07/x
3. Step 3: Cross multiply
   132,499.20x = 182,851.91 × 72,073.07
4. Step 4: Simplify right side
   132,499.20x = 13,178,698,605.83
5. Step 5: Solve for x
   x = 13,178,698,605.83/132,499.20
6. Step 6: Final answer
   x = 99,462.48