Finding the Fourth Proportional to 34,398.17, 47,469.98 and 20,057.61

Step by Step Solution

1. Step 1: Write the proportion equation
   34,398.17 : 47,469.98 = 20,057.61 : x
2. Step 2: Convert to fraction form
   34,398.17/47,469.98 = 20,057.61/x
3. Step 3: Cross multiply
   34,398.17x = 47,469.98 × 20,057.61
4. Step 4: Simplify right side
   34,398.17x = 952,134,345.55
5. Step 5: Solve for x
   x = 952,134,345.55/34,398.17
6. Step 6: Final answer
   x = 27,679.80