Finding the Fourth Proportional to 17,697.06, 24,422.82 and 9,739.20

Step by Step Solution

1. Step 1: Write the proportion equation
   17,697.06 : 24,422.82 = 9,739.20 : x
2. Step 2: Convert to fraction form
   17,697.06/24,422.82 = 9,739.20/x
3. Step 3: Cross multiply
   17,697.06x = 24,422.82 × 9,739.20
4. Step 4: Simplify right side
   17,697.06x = 237,858,728.54
5. Step 5: Solve for x
   x = 237,858,728.54/17,697.06
6. Step 6: Final answer
   x = 13,440.58