Finding the Fourth Proportional to 2,055.22, 3,081.59 and 804.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,055.22 : 3,081.59 = 804.32 : x
2. Step 2: Convert to fraction form
   2,055.22/3,081.59 = 804.32/x
3. Step 3: Cross multiply
   2,055.22x = 3,081.59 × 804.32
4. Step 4: Simplify right side
   2,055.22x = 2,478,584.47
5. Step 5: Solve for x
   x = 2,478,584.47/2,055.22
6. Step 6: Final answer
   x = 1,205.99