Finding the Fourth Proportional to 31,665.17, 47,498.34 and 10,601.28

Step by Step Solution

1. Step 1: Write the proportion equation
   31,665.17 : 47,498.34 = 10,601.28 : x
2. Step 2: Convert to fraction form
   31,665.17/47,498.34 = 10,601.28/x
3. Step 3: Cross multiply
   31,665.17x = 47,498.34 × 10,601.28
4. Step 4: Simplify right side
   31,665.17x = 503,543,201.88
5. Step 5: Solve for x
   x = 503,543,201.88/31,665.17
6. Step 6: Final answer
   x = 15,902.12