Finding the Fourth Proportional to 2,004.30, 3,007.35 and 908.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,004.30 : 3,007.35 = 908.10 : x
2. Step 2: Convert to fraction form
   2,004.30/3,007.35 = 908.10/x
3. Step 3: Cross multiply
   2,004.30x = 3,007.35 × 908.10
4. Step 4: Simplify right side
   2,004.30x = 2,730,974.54
5. Step 5: Solve for x
   x = 2,730,974.54/2,004.30
6. Step 6: Final answer
   x = 1,362.56