Finding the Fourth Proportional to 17,680.86, 24,399.77 and 9,723.15

Step by Step Solution

1. Step 1: Write the proportion equation
   17,680.86 : 24,399.77 = 9,723.15 : x
2. Step 2: Convert to fraction form
   17,680.86/24,399.77 = 9,723.15/x
3. Step 3: Cross multiply
   17,680.86x = 24,399.77 × 9,723.15
4. Step 4: Simplify right side
   17,680.86x = 237,242,575.06
5. Step 5: Solve for x
   x = 237,242,575.06/17,680.86
6. Step 6: Final answer
   x = 13,418.04