Finding the Fourth Proportional to 2,411.07, 3,617.16 and 851.19

Step by Step Solution

1. Step 1: Write the proportion equation
   2,411.07 : 3,617.16 = 851.19 : x
2. Step 2: Convert to fraction form
   2,411.07/3,617.16 = 851.19/x
3. Step 3: Cross multiply
   2,411.07x = 3,617.16 × 851.19
4. Step 4: Simplify right side
   2,411.07x = 3,078,890.42
5. Step 5: Solve for x
   x = 3,078,890.42/2,411.07
6. Step 6: Final answer
   x = 1,276.98