Finding the Fourth Proportional to 17,697.60, 24,423.12 and 9,739.08

Step by Step Solution

1. Step 1: Write the proportion equation
   17,697.60 : 24,423.12 = 9,739.08 : x
2. Step 2: Convert to fraction form
   17,697.60/24,423.12 = 9,739.08/x
3. Step 3: Cross multiply
   17,697.60x = 24,423.12 × 9,739.08
4. Step 4: Simplify right side
   17,697.60x = 237,858,719.53
5. Step 5: Solve for x
   x = 237,858,719.53/17,697.60
6. Step 6: Final answer
   x = 13,440.17