Finding the Fourth Proportional to 3,499.20, 4,825.98 and 2,617.11

Step by Step Solution

1. Step 1: Write the proportion equation
   3,499.20 : 4,825.98 = 2,617.11 : x
2. Step 2: Convert to fraction form
   3,499.20/4,825.98 = 2,617.11/x
3. Step 3: Cross multiply
   3,499.20x = 4,825.98 × 2,617.11
4. Step 4: Simplify right side
   3,499.20x = 12,630,120.52
5. Step 5: Solve for x
   x = 12,630,120.52/3,499.20
6. Step 6: Final answer
   x = 3,609.43