Finding the Fourth Proportional to 2,055.09, 3,081.82 and 885.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,055.09 : 3,081.82 = 885.18 : x
2. Step 2: Convert to fraction form
   2,055.09/3,081.82 = 885.18/x
3. Step 3: Cross multiply
   2,055.09x = 3,081.82 × 885.18
4. Step 4: Simplify right side
   2,055.09x = 2,727,965.43
5. Step 5: Solve for x
   x = 2,727,965.43/2,055.09
6. Step 6: Final answer
   x = 1,327.42