Finding the Fourth Proportional to 17,643.34, 24,348.27 and 9,685.99

Step by Step Solution

1. Step 1: Write the proportion equation
   17,643.34 : 24,348.27 = 9,685.99 : x
2. Step 2: Convert to fraction form
   17,643.34/24,348.27 = 9,685.99/x
3. Step 3: Cross multiply
   17,643.34x = 24,348.27 × 9,685.99
4. Step 4: Simplify right side
   17,643.34x = 235,837,099.74
5. Step 5: Solve for x
   x = 235,837,099.74/17,643.34
6. Step 6: Final answer
   x = 13,366.92