Finding the Fourth Proportional to 17,290.24, 25,928.88 and 13,635.52

Step by Step Solution

1. Step 1: Write the proportion equation
   17,290.24 : 25,928.88 = 13,635.52 : x
2. Step 2: Convert to fraction form
   17,290.24/25,928.88 = 13,635.52/x
3. Step 3: Cross multiply
   17,290.24x = 25,928.88 × 13,635.52
4. Step 4: Simplify right side
   17,290.24x = 353,553,761.82
5. Step 5: Solve for x
   x = 353,553,761.82/17,290.24
6. Step 6: Final answer
   x = 20,448.17