Finding the Fourth Proportional to 132,490.59, 182,834.33 and 72,060

Step by Step Solution

1. Step 1: Write the proportion equation
   132,490.59 : 182,834.33 = 72,060 : x
2. Step 2: Convert to fraction form
   132,490.59/182,834.33 = 72,060/x
3. Step 3: Cross multiply
   132,490.59x = 182,834.33 × 72,060
4. Step 4: Simplify right side
   132,490.59x = 13,175,041,459.50
5. Step 5: Solve for x
   x = 13,175,041,459.50/132,490.59
6. Step 6: Final answer
   x = 99,441.34