Finding the Fourth Proportional to 2,003.05, 3,004.54 and 906.64

Step by Step Solution

1. Step 1: Write the proportion equation
   2,003.05 : 3,004.54 = 906.64 : x
2. Step 2: Convert to fraction form
   2,003.05/3,004.54 = 906.64/x
3. Step 3: Cross multiply
   2,003.05x = 3,004.54 × 906.64
4. Step 4: Simplify right side
   2,003.05x = 2,724,036.15
5. Step 5: Solve for x
   x = 2,724,036.15/2,003.05
6. Step 6: Final answer
   x = 1,359.94