Finding the Fourth Proportional to 2,203.78, 3,304.69 and 834.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,203.78 : 3,304.69 = 834.82 : x
2. Step 2: Convert to fraction form
   2,203.78/3,304.69 = 834.82/x
3. Step 3: Cross multiply
   2,203.78x = 3,304.69 × 834.82
4. Step 4: Simplify right side
   2,203.78x = 2,758,821.31
5. Step 5: Solve for x
   x = 2,758,821.31/2,203.78
6. Step 6: Final answer
   x = 1,251.86