Finding the Fourth Proportional to 2,016.42, 3,023.64 and 906.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,016.42 : 3,023.64 = 906.18 : x
2. Step 2: Convert to fraction form
   2,016.42/3,023.64 = 906.18/x
3. Step 3: Cross multiply
   2,016.42x = 3,023.64 × 906.18
4. Step 4: Simplify right side
   2,016.42x = 2,739,962.10
5. Step 5: Solve for x
   x = 2,739,962.10/2,016.42
6. Step 6: Final answer
   x = 1,358.83