Finding the Fourth Proportional to 2,042.56, 3,062.42 and 1,118.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,042.56 : 3,062.42 = 1,118.55 : x
2. Step 2: Convert to fraction form
   2,042.56/3,062.42 = 1,118.55/x
3. Step 3: Cross multiply
   2,042.56x = 3,062.42 × 1,118.55
4. Step 4: Simplify right side
   2,042.56x = 3,425,469.89
5. Step 5: Solve for x
   x = 3,425,469.89/2,042.56
6. Step 6: Final answer
   x = 1,677.05