Finding the Fourth Proportional to 31,404.54, 43,337.78 and 17,257.08

Step by Step Solution

1. Step 1: Write the proportion equation
   31,404.54 : 43,337.78 = 17,257.08 : x
2. Step 2: Convert to fraction form
   31,404.54/43,337.78 = 17,257.08/x
3. Step 3: Cross multiply
   31,404.54x = 43,337.78 × 17,257.08
4. Step 4: Simplify right side
   31,404.54x = 747,883,450.20
5. Step 5: Solve for x
   x = 747,883,450.20/31,404.54
6. Step 6: Final answer
   x = 23,814.50