Finding the Fourth Proportional to 17,489.88, 24,142.31 and 10,416.15

Step by Step Solution

1. Step 1: Write the proportion equation
   17,489.88 : 24,142.31 = 10,416.15 : x
2. Step 2: Convert to fraction form
   17,489.88/24,142.31 = 10,416.15/x
3. Step 3: Cross multiply
   17,489.88x = 24,142.31 × 10,416.15
4. Step 4: Simplify right side
   17,489.88x = 251,469,922.31
5. Step 5: Solve for x
   x = 251,469,922.31/17,489.88
6. Step 6: Final answer
   x = 14,378.02