Finding the Fourth Proportional to 17,284.24, 25,919.88 and 13,629.52

Step by Step Solution

1. Step 1: Write the proportion equation
   17,284.24 : 25,919.88 = 13,629.52 : x
2. Step 2: Convert to fraction form
   17,284.24/25,919.88 = 13,629.52/x
3. Step 3: Cross multiply
   17,284.24x = 25,919.88 × 13,629.52
4. Step 4: Simplify right side
   17,284.24x = 353,275,522.86
5. Step 5: Solve for x
   x = 353,275,522.86/17,284.24
6. Step 6: Final answer
   x = 20,439.17