Finding the Fourth Proportional to 3,613.98, 4,987.41 and 2,042.18

Step by Step Solution

1. Step 1: Write the proportion equation
   3,613.98 : 4,987.41 = 2,042.18 : x
2. Step 2: Convert to fraction form
   3,613.98/4,987.41 = 2,042.18/x
3. Step 3: Cross multiply
   3,613.98x = 4,987.41 × 2,042.18
4. Step 4: Simplify right side
   3,613.98x = 10,185,164.02
5. Step 5: Solve for x
   x = 10,185,164.02/3,613.98
6. Step 6: Final answer
   x = 2,818.27