Finding the Fourth Proportional to 2,935.27, 4,401.88 and 854.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,935.27 : 4,401.88 = 854.72 : x
2. Step 2: Convert to fraction form
   2,935.27/4,401.88 = 854.72/x
3. Step 3: Cross multiply
   2,935.27x = 4,401.88 × 854.72
4. Step 4: Simplify right side
   2,935.27x = 3,762,367.23
5. Step 5: Solve for x
   x = 3,762,367.23/2,935.27
6. Step 6: Final answer
   x = 1,281.78