Finding the Fourth Proportional to 2,066.85, 2,843.79 and 1,786.19

Step by Step Solution

1. Step 1: Write the proportion equation
   2,066.85 : 2,843.79 = 1,786.19 : x
2. Step 2: Convert to fraction form
   2,066.85/2,843.79 = 1,786.19/x
3. Step 3: Cross multiply
   2,066.85x = 2,843.79 × 1,786.19
4. Step 4: Simplify right side
   2,066.85x = 5,079,535.04
5. Step 5: Solve for x
   x = 5,079,535.04/2,066.85
6. Step 6: Final answer
   x = 2,457.62