Finding the Fourth Proportional to 17,680.66, 24,399.94 and 9,723.49

Step by Step Solution

1. Step 1: Write the proportion equation
   17,680.66 : 24,399.94 = 9,723.49 : x
2. Step 2: Convert to fraction form
   17,680.66/24,399.94 = 9,723.49/x
3. Step 3: Cross multiply
   17,680.66x = 24,399.94 × 9,723.49
4. Step 4: Simplify right side
   17,680.66x = 237,252,572.59
5. Step 5: Solve for x
   x = 237,252,572.59/17,680.66
6. Step 6: Final answer
   x = 13,418.76