Finding the Fourth Proportional to 17,621.50, 24,317.46 and 9,663.66

Step by Step Solution

1. Step 1: Write the proportion equation
   17,621.50 : 24,317.46 = 9,663.66 : x
2. Step 2: Convert to fraction form
   17,621.50/24,317.46 = 9,663.66/x
3. Step 3: Cross multiply
   17,621.50x = 24,317.46 × 9,663.66
4. Step 4: Simplify right side
   17,621.50x = 234,995,665.50
5. Step 5: Solve for x
   x = 234,995,665.50/17,621.50
6. Step 6: Final answer
   x = 13,335.74