Finding the Fourth Proportional to 2,550.38, 3,827.16 and 1,089.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,550.38 : 3,827.16 = 1,089.54 : x
2. Step 2: Convert to fraction form
   2,550.38/3,827.16 = 1,089.54/x
3. Step 3: Cross multiply
   2,550.38x = 3,827.16 × 1,089.54
4. Step 4: Simplify right side
   2,550.38x = 4,169,843.91
5. Step 5: Solve for x
   x = 4,169,843.91/2,550.38
6. Step 6: Final answer
   x = 1,634.99