Finding the Fourth Proportional to 2,204.16, 3,304.32 and 904.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,204.16 : 3,304.32 = 904.72 : x
2. Step 2: Convert to fraction form
   2,204.16/3,304.32 = 904.72/x
3. Step 3: Cross multiply
   2,204.16x = 3,304.32 × 904.72
4. Step 4: Simplify right side
   2,204.16x = 2,989,484.39
5. Step 5: Solve for x
   x = 2,989,484.39/2,204.16
6. Step 6: Final answer
   x = 1,356.29