Finding the Fourth Proportional to 17,002.22, 25,518.84 and 8,687.99

Step by Step Solution

1. Step 1: Write the proportion equation
   17,002.22 : 25,518.84 = 8,687.99 : x
2. Step 2: Convert to fraction form
   17,002.22/25,518.84 = 8,687.99/x
3. Step 3: Cross multiply
   17,002.22x = 25,518.84 × 8,687.99
4. Step 4: Simplify right side
   17,002.22x = 221,707,426.73
5. Step 5: Solve for x
   x = 221,707,426.73/17,002.22
6. Step 6: Final answer
   x = 13,039.91