Finding the Fourth Proportional to 2,042.89, 3,063.63 and 809.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,042.89 : 3,063.63 = 809.98 : x
2. Step 2: Convert to fraction form
   2,042.89/3,063.63 = 809.98/x
3. Step 3: Cross multiply
   2,042.89x = 3,063.63 × 809.98
4. Step 4: Simplify right side
   2,042.89x = 2,481,479.03
5. Step 5: Solve for x
   x = 2,481,479.03/2,042.89
6. Step 6: Final answer
   x = 1,214.69