Finding the Fourth Proportional to 42,426.92, 63,330.22 and 39,343.16

Step by Step Solution

1. Step 1: Write the proportion equation
   42,426.92 : 63,330.22 = 39,343.16 : x
2. Step 2: Convert to fraction form
   42,426.92/63,330.22 = 39,343.16/x
3. Step 3: Cross multiply
   42,426.92x = 63,330.22 × 39,343.16
4. Step 4: Simplify right side
   42,426.92x = 2,491,610,978.30
5. Step 5: Solve for x
   x = 2,491,610,978.30/42,426.92
6. Step 6: Final answer
   x = 58,727.12