Finding the Fourth Proportional to 132,573.50, 182,951.46 and 72,957.50

Step by Step Solution

1. Step 1: Write the proportion equation
   132,573.50 : 182,951.46 = 72,957.50 : x
2. Step 2: Convert to fraction form
   132,573.50/182,951.46 = 72,957.50/x
3. Step 3: Cross multiply
   132,573.50x = 182,951.46 × 72,957.50
4. Step 4: Simplify right side
   132,573.50x = 13,347,681,142.95
5. Step 5: Solve for x
   x = 13,347,681,142.95/132,573.50
6. Step 6: Final answer
   x = 100,681.37