Finding the Fourth Proportional to 17,680.72, 24,400.02 and 9,723.56

Step by Step Solution

1. Step 1: Write the proportion equation
   17,680.72 : 24,400.02 = 9,723.56 : x
2. Step 2: Convert to fraction form
   17,680.72/24,400.02 = 9,723.56/x
3. Step 3: Cross multiply
   17,680.72x = 24,400.02 × 9,723.56
4. Step 4: Simplify right side
   17,680.72x = 237,255,058.47
5. Step 5: Solve for x
   x = 237,255,058.47/17,680.72
6. Step 6: Final answer
   x = 13,418.86