Finding the Fourth Proportional to 3,577.89, 4,938.83 and 2,086.27

Step by Step Solution

1. Step 1: Write the proportion equation
   3,577.89 : 4,938.83 = 2,086.27 : x
2. Step 2: Convert to fraction form
   3,577.89/4,938.83 = 2,086.27/x
3. Step 3: Cross multiply
   3,577.89x = 4,938.83 × 2,086.27
4. Step 4: Simplify right side
   3,577.89x = 10,303,722.43
5. Step 5: Solve for x
   x = 10,303,722.43/3,577.89
6. Step 6: Final answer
   x = 2,879.84