Finding the Fourth Proportional to 2,410.05, 3,616.09 and 851.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,410.05 : 3,616.09 = 851.16 : x
2. Step 2: Convert to fraction form
   2,410.05/3,616.09 = 851.16/x
3. Step 3: Cross multiply
   2,410.05x = 3,616.09 × 851.16
4. Step 4: Simplify right side
   2,410.05x = 3,077,867.04
5. Step 5: Solve for x
   x = 3,077,867.04/2,410.05
6. Step 6: Final answer
   x = 1,277.09