Finding the Fourth Proportional to 2,411.55, 3,616.41 and 851.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,411.55 : 3,616.41 = 851.27 : x
2. Step 2: Convert to fraction form
   2,411.55/3,616.41 = 851.27/x
3. Step 3: Cross multiply
   2,411.55x = 3,616.41 × 851.27
4. Step 4: Simplify right side
   2,411.55x = 3,078,523.26
5. Step 5: Solve for x
   x = 3,078,523.26/2,411.55
6. Step 6: Final answer
   x = 1,276.57