Finding the Fourth Proportional to 17,872.53, 24,662.09 and 9,912.76

Step by Step Solution

1. Step 1: Write the proportion equation
   17,872.53 : 24,662.09 = 9,912.76 : x
2. Step 2: Convert to fraction form
   17,872.53/24,662.09 = 9,912.76/x
3. Step 3: Cross multiply
   17,872.53x = 24,662.09 × 9,912.76
4. Step 4: Simplify right side
   17,872.53x = 244,469,379.27
5. Step 5: Solve for x
   x = 244,469,379.27/17,872.53
6. Step 6: Final answer
   x = 13,678.50