Finding the Fourth Proportional to 5,517.56, 7,616.04 and 3,531.08

Step by Step Solution

1. Step 1: Write the proportion equation
   5,517.56 : 7,616.04 = 3,531.08 : x
2. Step 2: Convert to fraction form
   5,517.56/7,616.04 = 3,531.08/x
3. Step 3: Cross multiply
   5,517.56x = 7,616.04 × 3,531.08
4. Step 4: Simplify right side
   5,517.56x = 26,892,846.52
5. Step 5: Solve for x
   x = 26,892,846.52/5,517.56
6. Step 6: Final answer
   x = 4,874.05