Finding the Fourth Proportional to 2,414.27, 3,621.71 and 853.95

Step by Step Solution

1. Step 1: Write the proportion equation
   2,414.27 : 3,621.71 = 853.95 : x
2. Step 2: Convert to fraction form
   2,414.27/3,621.71 = 853.95/x
3. Step 3: Cross multiply
   2,414.27x = 3,621.71 × 853.95
4. Step 4: Simplify right side
   2,414.27x = 3,092,759.25
5. Step 5: Solve for x
   x = 3,092,759.25/2,414.27
6. Step 6: Final answer
   x = 1,281.03