Finding the Fourth Proportional to 2,271.33, 3,404.97 and 810.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,271.33 : 3,404.97 = 810.27 : x
2. Step 2: Convert to fraction form
   2,271.33/3,404.97 = 810.27/x
3. Step 3: Cross multiply
   2,271.33x = 3,404.97 × 810.27
4. Step 4: Simplify right side
   2,271.33x = 2,758,945.04
5. Step 5: Solve for x
   x = 2,758,945.04/2,271.33
6. Step 6: Final answer
   x = 1,214.68