Finding the Fourth Proportional to 2,046.46, 3,067.50 and 812.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,046.46 : 3,067.50 = 812.16 : x
2. Step 2: Convert to fraction form
   2,046.46/3,067.50 = 812.16/x
3. Step 3: Cross multiply
   2,046.46x = 3,067.50 × 812.16
4. Step 4: Simplify right side
   2,046.46x = 2,491,300.80
5. Step 5: Solve for x
   x = 2,491,300.80/2,046.46
6. Step 6: Final answer
   x = 1,217.37