Finding the Fourth Proportional to 2,456.27, 3,682.98 and 812.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,456.27 : 3,682.98 = 812.37 : x
2. Step 2: Convert to fraction form
   2,456.27/3,682.98 = 812.37/x
3. Step 3: Cross multiply
   2,456.27x = 3,682.98 × 812.37
4. Step 4: Simplify right side
   2,456.27x = 2,991,938.40
5. Step 5: Solve for x
   x = 2,991,938.40/2,456.27
6. Step 6: Final answer
   x = 1,218.08