Finding the Fourth Proportional to 17,872.35, 24,663 and 9,914.40

Step by Step Solution

1. Step 1: Write the proportion equation
   17,872.35 : 24,663 = 9,914.40 : x
2. Step 2: Convert to fraction form
   17,872.35/24,663 = 9,914.40/x
3. Step 3: Cross multiply
   17,872.35x = 24,663 × 9,914.40
4. Step 4: Simplify right side
   17,872.35x = 244,518,847.20
5. Step 5: Solve for x
   x = 244,518,847.20/17,872.35
6. Step 6: Final answer
   x = 13,681.40