Finding the Fourth Proportional to 2,818.05, 4,226.27 and 1,086.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,818.05 : 4,226.27 = 1,086.27 : x
2. Step 2: Convert to fraction form
   2,818.05/4,226.27 = 1,086.27/x
3. Step 3: Cross multiply
   2,818.05x = 4,226.27 × 1,086.27
4. Step 4: Simplify right side
   2,818.05x = 4,590,864.88
5. Step 5: Solve for x
   x = 4,590,864.88/2,818.05
6. Step 6: Final answer
   x = 1,629.09