Finding the Fourth Proportional to 17,729.38, 24,499.16 and 12,941.20

Step by Step Solution

1. Step 1: Write the proportion equation
   17,729.38 : 24,499.16 = 12,941.20 : x
2. Step 2: Convert to fraction form
   17,729.38/24,499.16 = 12,941.20/x
3. Step 3: Cross multiply
   17,729.38x = 24,499.16 × 12,941.20
4. Step 4: Simplify right side
   17,729.38x = 317,048,529.39
5. Step 5: Solve for x
   x = 317,048,529.39/17,729.38
6. Step 6: Final answer
   x = 17,882.66