Finding the Fourth Proportional to 8,566.72, 12,849.04 and 3,020.28

Step by Step Solution

1. Step 1: Write the proportion equation
   8,566.72 : 12,849.04 = 3,020.28 : x
2. Step 2: Convert to fraction form
   8,566.72/12,849.04 = 3,020.28/x
3. Step 3: Cross multiply
   8,566.72x = 12,849.04 × 3,020.28
4. Step 4: Simplify right side
   8,566.72x = 38,807,698.53
5. Step 5: Solve for x
   x = 38,807,698.53/8,566.72
6. Step 6: Final answer
   x = 4,530.05