Finding the Fourth Proportional to 2,016.17, 3,022.42 and 1,040.23

Step by Step Solution

1. Step 1: Write the proportion equation
   2,016.17 : 3,022.42 = 1,040.23 : x
2. Step 2: Convert to fraction form
   2,016.17/3,022.42 = 1,040.23/x
3. Step 3: Cross multiply
   2,016.17x = 3,022.42 × 1,040.23
4. Step 4: Simplify right side
   2,016.17x = 3,144,011.96
5. Step 5: Solve for x
   x = 3,144,011.96/2,016.17
6. Step 6: Final answer
   x = 1,559.40