Finding the Fourth Proportional to 31,404.72, 43,337.66 and 17,257.58

Step by Step Solution

1. Step 1: Write the proportion equation
   31,404.72 : 43,337.66 = 17,257.58 : x
2. Step 2: Convert to fraction form
   31,404.72/43,337.66 = 17,257.58/x
3. Step 3: Cross multiply
   31,404.72x = 43,337.66 × 17,257.58
4. Step 4: Simplify right side
   31,404.72x = 747,903,134.46
5. Step 5: Solve for x
   x = 747,903,134.46/31,404.72
6. Step 6: Final answer
   x = 23,814.99