Finding the Fourth Proportional to 17,644.27, 24,348.98 and 9,578.09

Step by Step Solution

1. Step 1: Write the proportion equation
   17,644.27 : 24,348.98 = 9,578.09 : x
2. Step 2: Convert to fraction form
   17,644.27/24,348.98 = 9,578.09/x
3. Step 3: Cross multiply
   17,644.27x = 24,348.98 × 9,578.09
4. Step 4: Simplify right side
   17,644.27x = 233,216,624.05
5. Step 5: Solve for x
   x = 233,216,624.05/17,644.27
6. Step 6: Final answer
   x = 13,217.70