Finding the Fourth Proportional to 2,449.56, 3,674.58 and 806.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,449.56 : 3,674.58 = 806.12 : x
2. Step 2: Convert to fraction form
   2,449.56/3,674.58 = 806.12/x
3. Step 3: Cross multiply
   2,449.56x = 3,674.58 × 806.12
4. Step 4: Simplify right side
   2,449.56x = 2,962,152.43
5. Step 5: Solve for x
   x = 2,962,152.43/2,449.56
6. Step 6: Final answer
   x = 1,209.26