Finding the Fourth Proportional to 8,798.28, 13,169.88 and 5,496.72

Step by Step Solution

1. Step 1: Write the proportion equation
   8,798.28 : 13,169.88 = 5,496.72 : x
2. Step 2: Convert to fraction form
   8,798.28/13,169.88 = 5,496.72/x
3. Step 3: Cross multiply
   8,798.28x = 13,169.88 × 5,496.72
4. Step 4: Simplify right side
   8,798.28x = 72,391,142.79
5. Step 5: Solve for x
   x = 72,391,142.79/8,798.28
6. Step 6: Final answer
   x = 8,227.87