Finding the Fourth Proportional to 17,915.50, 24,723.21 and 9,958.42

Step by Step Solution

1. Step 1: Write the proportion equation
   17,915.50 : 24,723.21 = 9,958.42 : x
2. Step 2: Convert to fraction form
   17,915.50/24,723.21 = 9,958.42/x
3. Step 3: Cross multiply
   17,915.50x = 24,723.21 × 9,958.42
4. Step 4: Simplify right side
   17,915.50x = 246,204,108.93
5. Step 5: Solve for x
   x = 246,204,108.93/17,915.50
6. Step 6: Final answer
   x = 13,742.52