Finding the Fourth Proportional to 2,055.91, 3,083.49 and 669.04

Step by Step Solution

1. Step 1: Write the proportion equation
   2,055.91 : 3,083.49 = 669.04 : x
2. Step 2: Convert to fraction form
   2,055.91/3,083.49 = 669.04/x
3. Step 3: Cross multiply
   2,055.91x = 3,083.49 × 669.04
4. Step 4: Simplify right side
   2,055.91x = 2,062,978.15
5. Step 5: Solve for x
   x = 2,062,978.15/2,055.91
6. Step 6: Final answer
   x = 1,003.44