Finding the Fourth Proportional to 2,004.80, 3,008.96 and 1,081.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,004.80 : 3,008.96 = 1,081.12 : x
2. Step 2: Convert to fraction form
   2,004.80/3,008.96 = 1,081.12/x
3. Step 3: Cross multiply
   2,004.80x = 3,008.96 × 1,081.12
4. Step 4: Simplify right side
   2,004.80x = 3,253,046.84
5. Step 5: Solve for x
   x = 3,253,046.84/2,004.80
6. Step 6: Final answer
   x = 1,622.63