Finding the Fourth Proportional to 2,016.26, 3,023.77 and 1,042.23

Step by Step Solution

1. Step 1: Write the proportion equation
   2,016.26 : 3,023.77 = 1,042.23 : x
2. Step 2: Convert to fraction form
   2,016.26/3,023.77 = 1,042.23/x
3. Step 3: Cross multiply
   2,016.26x = 3,023.77 × 1,042.23
4. Step 4: Simplify right side
   2,016.26x = 3,151,463.81
5. Step 5: Solve for x
   x = 3,151,463.81/2,016.26
6. Step 6: Final answer
   x = 1,563.02