Finding the Fourth Proportional to 2,042.25, 3,062.69 and 810.09

Step by Step Solution

1. Step 1: Write the proportion equation
   2,042.25 : 3,062.69 = 810.09 : x
2. Step 2: Convert to fraction form
   2,042.25/3,062.69 = 810.09/x
3. Step 3: Cross multiply
   2,042.25x = 3,062.69 × 810.09
4. Step 4: Simplify right side
   2,042.25x = 2,481,050.49
5. Step 5: Solve for x
   x = 2,481,050.49/2,042.25
6. Step 6: Final answer
   x = 1,214.86