Finding the Fourth Proportional to 2,935.27, 4,403.60 and 855.33

Step by Step Solution

1. Step 1: Write the proportion equation
   2,935.27 : 4,403.60 = 855.33 : x
2. Step 2: Convert to fraction form
   2,935.27/4,403.60 = 855.33/x
3. Step 3: Cross multiply
   2,935.27x = 4,403.60 × 855.33
4. Step 4: Simplify right side
   2,935.27x = 3,766,513.61
5. Step 5: Solve for x
   x = 3,766,513.61/2,935.27
6. Step 6: Final answer
   x = 1,283.19