Finding the Fourth Proportional to 3,786.89, 5,677.49 and 2,550.83

Step by Step Solution

1. Step 1: Write the proportion equation
   3,786.89 : 5,677.49 = 2,550.83 : x
2. Step 2: Convert to fraction form
   3,786.89/5,677.49 = 2,550.83/x
3. Step 3: Cross multiply
   3,786.89x = 5,677.49 × 2,550.83
4. Step 4: Simplify right side
   3,786.89x = 14,482,289.81
5. Step 5: Solve for x
   x = 14,482,289.81/3,786.89
6. Step 6: Final answer
   x = 3,824.33