Finding the Fourth Proportional to 31,404.84, 43,339.02 and 17,257.68

Step by Step Solution

1. Step 1: Write the proportion equation
   31,404.84 : 43,339.02 = 17,257.68 : x
2. Step 2: Convert to fraction form
   31,404.84/43,339.02 = 17,257.68/x
3. Step 3: Cross multiply
   31,404.84x = 43,339.02 × 17,257.68
4. Step 4: Simplify right side
   31,404.84x = 747,930,938.67
5. Step 5: Solve for x
   x = 747,930,938.67/31,404.84
6. Step 6: Final answer
   x = 23,815.79