Finding the Fourth Proportional to 2,016.57, 3,026.49 and 1,042.95

Step by Step Solution

1. Step 1: Write the proportion equation
   2,016.57 : 3,026.49 = 1,042.95 : x
2. Step 2: Convert to fraction form
   2,016.57/3,026.49 = 1,042.95/x
3. Step 3: Cross multiply
   2,016.57x = 3,026.49 × 1,042.95
4. Step 4: Simplify right side
   2,016.57x = 3,156,477.75
5. Step 5: Solve for x
   x = 3,156,477.75/2,016.57
6. Step 6: Final answer
   x = 1,565.27