Finding the Fourth Proportional to 3,550.42, 5,315.37 and 2,676.61

Step by Step Solution

1. Step 1: Write the proportion equation
   3,550.42 : 5,315.37 = 2,676.61 : x
2. Step 2: Convert to fraction form
   3,550.42/5,315.37 = 2,676.61/x
3. Step 3: Cross multiply
   3,550.42x = 5,315.37 × 2,676.61
4. Step 4: Simplify right side
   3,550.42x = 14,227,172.50
5. Step 5: Solve for x
   x = 14,227,172.50/3,550.42
6. Step 6: Final answer
   x = 4,007.18