Finding the Fourth Proportional to 17,623.49, 24,320.25 and 9,665.55

Step by Step Solution

1. Step 1: Write the proportion equation
   17,623.49 : 24,320.25 = 9,665.55 : x
2. Step 2: Convert to fraction form
   17,623.49/24,320.25 = 9,665.55/x
3. Step 3: Cross multiply
   17,623.49x = 24,320.25 × 9,665.55
4. Step 4: Simplify right side
   17,623.49x = 235,068,592.39
5. Step 5: Solve for x
   x = 235,068,592.39/17,623.49
6. Step 6: Final answer
   x = 13,338.37