Finding the Fourth Proportional to 31,404.93, 47,114.82 and 10,345.29

Step by Step Solution

1. Step 1: Write the proportion equation
   31,404.93 : 47,114.82 = 10,345.29 : x
2. Step 2: Convert to fraction form
   31,404.93/47,114.82 = 10,345.29/x
3. Step 3: Cross multiply
   31,404.93x = 47,114.82 × 10,345.29
4. Step 4: Simplify right side
   31,404.93x = 487,416,476.20
5. Step 5: Solve for x
   x = 487,416,476.20/31,404.93
6. Step 6: Final answer
   x = 15,520.38