Finding the Fourth Proportional to 2,604.16, 3,904.20 and 1,304.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,604.16 : 3,904.20 = 1,304.96 : x
2. Step 2: Convert to fraction form
   2,604.16/3,904.20 = 1,304.96/x
3. Step 3: Cross multiply
   2,604.16x = 3,904.20 × 1,304.96
4. Step 4: Simplify right side
   2,604.16x = 5,094,824.83
5. Step 5: Solve for x
   x = 5,094,824.83/2,604.16
6. Step 6: Final answer
   x = 1,956.42