Finding the Fourth Proportional to 2,411.18, 3,616.74 and 850.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,411.18 : 3,616.74 = 850.82 : x
2. Step 2: Convert to fraction form
   2,411.18/3,616.74 = 850.82/x
3. Step 3: Cross multiply
   2,411.18x = 3,616.74 × 850.82
4. Step 4: Simplify right side
   2,411.18x = 3,077,194.73
5. Step 5: Solve for x
   x = 3,077,194.73/2,411.18
6. Step 6: Final answer
   x = 1,276.22