Finding the Fourth Proportional to 2,044.43, 3,067.46 and 812.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,044.43 : 3,067.46 = 812.72 : x
2. Step 2: Convert to fraction form
   2,044.43/3,067.46 = 812.72/x
3. Step 3: Cross multiply
   2,044.43x = 3,067.46 × 812.72
4. Step 4: Simplify right side
   2,044.43x = 2,492,966.69
5. Step 5: Solve for x
   x = 2,492,966.69/2,044.43
6. Step 6: Final answer
   x = 1,219.40