Finding the Fourth Proportional to 17,697.56, 24,422.31 and 9,739.71

Step by Step Solution

1. Step 1: Write the proportion equation
   17,697.56 : 24,422.31 = 9,739.71 : x
2. Step 2: Convert to fraction form
   17,697.56/24,422.31 = 9,739.71/x
3. Step 3: Cross multiply
   17,697.56x = 24,422.31 × 9,739.71
4. Step 4: Simplify right side
   17,697.56x = 237,866,216.93
5. Step 5: Solve for x
   x = 237,866,216.93/17,697.56
6. Step 6: Final answer
   x = 13,440.63