Finding the Fourth Proportional to 31,404.59, 43,337.99 and 17,257.13

Step by Step Solution

1. Step 1: Write the proportion equation
   31,404.59 : 43,337.99 = 17,257.13 : x
2. Step 2: Convert to fraction form
   31,404.59/43,337.99 = 17,257.13/x
3. Step 3: Cross multiply
   31,404.59x = 43,337.99 × 17,257.13
4. Step 4: Simplify right side
   31,404.59x = 747,889,024.39
5. Step 5: Solve for x
   x = 747,889,024.39/31,404.59
6. Step 6: Final answer
   x = 23,814.64