Finding the Fourth Proportional to 2,042.20, 3,061.24 and 808.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,042.20 : 3,061.24 = 808.37 : x
2. Step 2: Convert to fraction form
   2,042.20/3,061.24 = 808.37/x
3. Step 3: Cross multiply
   2,042.20x = 3,061.24 × 808.37
4. Step 4: Simplify right side
   2,042.20x = 2,474,614.58
5. Step 5: Solve for x
   x = 2,474,614.58/2,042.20
6. Step 6: Final answer
   x = 1,211.74