Finding the Fourth Proportional to 2,016.08, 3,022.74 and 905.08

Step by Step Solution

1. Step 1: Write the proportion equation
   2,016.08 : 3,022.74 = 905.08 : x
2. Step 2: Convert to fraction form
   2,016.08/3,022.74 = 905.08/x
3. Step 3: Cross multiply
   2,016.08x = 3,022.74 × 905.08
4. Step 4: Simplify right side
   2,016.08x = 2,735,821.52
5. Step 5: Solve for x
   x = 2,735,821.52/2,016.08
6. Step 6: Final answer
   x = 1,357.00