Finding the Fourth Proportional to 17,670.72, 24,386.24 and 9,713.55

Step by Step Solution

1. Step 1: Write the proportion equation
   17,670.72 : 24,386.24 = 9,713.55 : x
2. Step 2: Convert to fraction form
   17,670.72/24,386.24 = 9,713.55/x
3. Step 3: Cross multiply
   17,670.72x = 24,386.24 × 9,713.55
4. Step 4: Simplify right side
   17,670.72x = 236,876,912.98
5. Step 5: Solve for x
   x = 236,876,912.98/17,670.72
6. Step 6: Final answer
   x = 13,405.05