Finding the Fourth Proportional to 2,411.42, 3,616.91 and 851.35

Step by Step Solution

1. Step 1: Write the proportion equation
   2,411.42 : 3,616.91 = 851.35 : x
2. Step 2: Convert to fraction form
   2,411.42/3,616.91 = 851.35/x
3. Step 3: Cross multiply
   2,411.42x = 3,616.91 × 851.35
4. Step 4: Simplify right side
   2,411.42x = 3,079,249.41
5. Step 5: Solve for x
   x = 3,079,249.41/2,411.42
6. Step 6: Final answer
   x = 1,276.94