Finding the Fourth Proportional to 31,411.96, 47,124.89 and 10,351.15

Step by Step Solution

1. Step 1: Write the proportion equation
   31,411.96 : 47,124.89 = 10,351.15 : x
2. Step 2: Convert to fraction form
   31,411.96/47,124.89 = 10,351.15/x
3. Step 3: Cross multiply
   31,411.96x = 47,124.89 × 10,351.15
4. Step 4: Simplify right side
   31,411.96x = 487,796,805.12
5. Step 5: Solve for x
   x = 487,796,805.12/31,411.96
6. Step 6: Final answer
   x = 15,529.02