Finding the Fourth Proportional to 2,086.66, 2,883.48 and 1,804.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,086.66 : 2,883.48 = 1,804.78 : x
2. Step 2: Convert to fraction form
   2,086.66/2,883.48 = 1,804.78/x
3. Step 3: Cross multiply
   2,086.66x = 2,883.48 × 1,804.78
4. Step 4: Simplify right side
   2,086.66x = 5,204,047.03
5. Step 5: Solve for x
   x = 5,204,047.03/2,086.66
6. Step 6: Final answer
   x = 2,493.96