Finding the Fourth Proportional to 2,204.89, 3,304.81 and 904.75

Step by Step Solution

1. Step 1: Write the proportion equation
   2,204.89 : 3,304.81 = 904.75 : x
2. Step 2: Convert to fraction form
   2,204.89/3,304.81 = 904.75/x
3. Step 3: Cross multiply
   2,204.89x = 3,304.81 × 904.75
4. Step 4: Simplify right side
   2,204.89x = 2,990,026.85
5. Step 5: Solve for x
   x = 2,990,026.85/2,204.89
6. Step 6: Final answer
   x = 1,356.09