Finding the Fourth Proportional to 17,665.20, 24,377.48 and 9,707.42

Step by Step Solution

1. Step 1: Write the proportion equation
   17,665.20 : 24,377.48 = 9,707.42 : x
2. Step 2: Convert to fraction form
   17,665.20/24,377.48 = 9,707.42/x
3. Step 3: Cross multiply
   17,665.20x = 24,377.48 × 9,707.42
4. Step 4: Simplify right side
   17,665.20x = 236,642,436.90
5. Step 5: Solve for x
   x = 236,642,436.90/17,665.20
6. Step 6: Final answer
   x = 13,395.97