Finding the Fourth Proportional to 17,643.24, 24,347.55 and 9,685.62

Step by Step Solution

1. Step 1: Write the proportion equation
   17,643.24 : 24,347.55 = 9,685.62 : x
2. Step 2: Convert to fraction form
   17,643.24/24,347.55 = 9,685.62/x
3. Step 3: Cross multiply
   17,643.24x = 24,347.55 × 9,685.62
4. Step 4: Simplify right side
   17,643.24x = 235,821,117.23
5. Step 5: Solve for x
   x = 235,821,117.23/17,643.24
6. Step 6: Final answer
   x = 13,366.09