Finding the Fourth Proportional to 8,489.52, 12,726.72 and 3,294.24

Step by Step Solution

1. Step 1: Write the proportion equation
   8,489.52 : 12,726.72 = 3,294.24 : x
2. Step 2: Convert to fraction form
   8,489.52/12,726.72 = 3,294.24/x
3. Step 3: Cross multiply
   8,489.52x = 12,726.72 × 3,294.24
4. Step 4: Simplify right side
   8,489.52x = 41,924,870.09
5. Step 5: Solve for x
   x = 41,924,870.09/8,489.52
6. Step 6: Final answer
   x = 4,938.43