Finding the Fourth Proportional to 82,912.68, 124,284.24 and 32,978.88

Step by Step Solution

1. Step 1: Write the proportion equation
   82,912.68 : 124,284.24 = 32,978.88 : x
2. Step 2: Convert to fraction form
   82,912.68/124,284.24 = 32,978.88/x
3. Step 3: Cross multiply
   82,912.68x = 124,284.24 × 32,978.88
4. Step 4: Simplify right side
   82,912.68x = 4,098,755,036.85
5. Step 5: Solve for x
   x = 4,098,755,036.85/82,912.68
6. Step 6: Final answer
   x = 49,434.60