Finding the Fourth Proportional to 2,843.64, 3,940.83 and 2,804.00

Step by Step Solution

1. Step 1: Write the proportion equation
   2,843.64 : 3,940.83 = 2,804.00 : x
2. Step 2: Convert to fraction form
   2,843.64/3,940.83 = 2,804.00/x
3. Step 3: Cross multiply
   2,843.64x = 3,940.83 × 2,804.00
4. Step 4: Simplify right side
   2,843.64x = 11,050,067.62
5. Step 5: Solve for x
   x = 11,050,067.62/2,843.64
6. Step 6: Final answer
   x = 3,885.89