Finding the Fourth Proportional to 5,520.56, 7,618.42 and 3,002.73

Step by Step Solution

1. Step 1: Write the proportion equation
   5,520.56 : 7,618.42 = 3,002.73 : x
2. Step 2: Convert to fraction form
   5,520.56/7,618.42 = 3,002.73/x
3. Step 3: Cross multiply
   5,520.56x = 7,618.42 × 3,002.73
4. Step 4: Simplify right side
   5,520.56x = 22,876,033.47
5. Step 5: Solve for x
   x = 22,876,033.47/5,520.56
6. Step 6: Final answer
   x = 4,143.79