Finding the Fourth Proportional to 82,641.49, 123,912.96 and 32,728.75

Step by Step Solution

1. Step 1: Write the proportion equation
   82,641.49 : 123,912.96 = 32,728.75 : x
2. Step 2: Convert to fraction form
   82,641.49/123,912.96 = 32,728.75/x
3. Step 3: Cross multiply
   82,641.49x = 123,912.96 × 32,728.75
4. Step 4: Simplify right side
   82,641.49x = 4,055,516,289.60
5. Step 5: Solve for x
   x = 4,055,516,289.60/82,641.49
6. Step 6: Final answer
   x = 49,073.61