Finding the Fourth Proportional to 17,728.43, 24,465.38 and 9,770.67

Step by Step Solution

1. Step 1: Write the proportion equation
   17,728.43 : 24,465.38 = 9,770.67 : x
2. Step 2: Convert to fraction form
   17,728.43/24,465.38 = 9,770.67/x
3. Step 3: Cross multiply
   17,728.43x = 24,465.38 × 9,770.67
4. Step 4: Simplify right side
   17,728.43x = 239,043,105.55
5. Step 5: Solve for x
   x = 239,043,105.55/17,728.43
6. Step 6: Final answer
   x = 13,483.61