Finding the Fourth Proportional to 31,499.10, 47,255.31 and 10,437.95

Step by Step Solution

1. Step 1: Write the proportion equation
   31,499.10 : 47,255.31 = 10,437.95 : x
2. Step 2: Convert to fraction form
   31,499.10/47,255.31 = 10,437.95/x
3. Step 3: Cross multiply
   31,499.10x = 47,255.31 × 10,437.95
4. Step 4: Simplify right side
   31,499.10x = 493,248,326.74
5. Step 5: Solve for x
   x = 493,248,326.74/31,499.10
6. Step 6: Final answer
   x = 15,659.12