Finding the Fourth Proportional to 132,561.67, 182,935.89 and 72,132.76

Step by Step Solution

1. Step 1: Write the proportion equation
   132,561.67 : 182,935.89 = 72,132.76 : x
2. Step 2: Convert to fraction form
   132,561.67/182,935.89 = 72,132.76/x
3. Step 3: Cross multiply
   132,561.67x = 182,935.89 × 72,132.76
4. Step 4: Simplify right side
   132,561.67x = 13,195,670,648.76
5. Step 5: Solve for x
   x = 13,195,670,648.76/132,561.67
6. Step 6: Final answer
   x = 99,543.64