Finding the Fourth Proportional to 2,618.40, 3,613.30 and 1,498.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,618.40 : 3,613.30 = 1,498.55 : x
2. Step 2: Convert to fraction form
   2,618.40/3,613.30 = 1,498.55/x
3. Step 3: Cross multiply
   2,618.40x = 3,613.30 × 1,498.55
4. Step 4: Simplify right side
   2,618.40x = 5,414,688.90
5. Step 5: Solve for x
   x = 5,414,688.90/2,618.40
6. Step 6: Final answer
   x = 2,067.94