Finding the Fourth Proportional to 17,688.40, 24,410.12 and 9,730.42

Step by Step Solution

1. Step 1: Write the proportion equation
   17,688.40 : 24,410.12 = 9,730.42 : x
2. Step 2: Convert to fraction form
   17,688.40/24,410.12 = 9,730.42/x
3. Step 3: Cross multiply
   17,688.40x = 24,410.12 × 9,730.42
4. Step 4: Simplify right side
   17,688.40x = 237,520,719.85
5. Step 5: Solve for x
   x = 237,520,719.85/17,688.40
6. Step 6: Final answer
   x = 13,428.05