Finding the Fourth Proportional to 132,597.47, 182,978.53 and 72,167.96

Step by Step Solution

1. Step 1: Write the proportion equation
   132,597.47 : 182,978.53 = 72,167.96 : x
2. Step 2: Convert to fraction form
   132,597.47/182,978.53 = 72,167.96/x
3. Step 3: Cross multiply
   132,597.47x = 182,978.53 × 72,167.96
4. Step 4: Simplify right side
   132,597.47x = 13,205,187,510.93
5. Step 5: Solve for x
   x = 13,205,187,510.93/132,597.47
6. Step 6: Final answer
   x = 99,588.53