Finding the Fourth Proportional to 17,697.15, 24,421.50 and 9,739.98

Step by Step Solution

1. Step 1: Write the proportion equation
   17,697.15 : 24,421.50 = 9,739.98 : x
2. Step 2: Convert to fraction form
   17,697.15/24,421.50 = 9,739.98/x
3. Step 3: Cross multiply
   17,697.15x = 24,421.50 × 9,739.98
4. Step 4: Simplify right side
   17,697.15x = 237,864,921.57
5. Step 5: Solve for x
   x = 237,864,921.57/17,697.15
6. Step 6: Final answer
   x = 13,440.86