Finding the Fourth Proportional to 2,410.98, 3,617.16 and 851.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,410.98 : 3,617.16 = 851.37 : x
2. Step 2: Convert to fraction form
   2,410.98/3,617.16 = 851.37/x
3. Step 3: Cross multiply
   2,410.98x = 3,617.16 × 851.37
4. Step 4: Simplify right side
   2,410.98x = 3,079,541.51
5. Step 5: Solve for x
   x = 3,079,541.51/2,410.98
6. Step 6: Final answer
   x = 1,277.30