Finding the Fourth Proportional to 2,055.39, 3,083.02 and 668.68

Step by Step Solution

1. Step 1: Write the proportion equation
   2,055.39 : 3,083.02 = 668.68 : x
2. Step 2: Convert to fraction form
   2,055.39/3,083.02 = 668.68/x
3. Step 3: Cross multiply
   2,055.39x = 3,083.02 × 668.68
4. Step 4: Simplify right side
   2,055.39x = 2,061,553.81
5. Step 5: Solve for x
   x = 2,061,553.81/2,055.39
6. Step 6: Final answer
   x = 1,003.00