Finding the Fourth Proportional to 2,449.35, 3,674.47 and 806.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,449.35 : 3,674.47 = 806.37 : x
2. Step 2: Convert to fraction form
   2,449.35/3,674.47 = 806.37/x
3. Step 3: Cross multiply
   2,449.35x = 3,674.47 × 806.37
4. Step 4: Simplify right side
   2,449.35x = 2,962,982.37
5. Step 5: Solve for x
   x = 2,962,982.37/2,449.35
6. Step 6: Final answer
   x = 1,209.70