Finding the Fourth Proportional to 2,895.23, 3,993.89 and 2,231.84

Step by Step Solution

1. Step 1: Write the proportion equation
   2,895.23 : 3,993.89 = 2,231.84 : x
2. Step 2: Convert to fraction form
   2,895.23/3,993.89 = 2,231.84/x
3. Step 3: Cross multiply
   2,895.23x = 3,993.89 × 2,231.84
4. Step 4: Simplify right side
   2,895.23x = 8,913,692.33
5. Step 5: Solve for x
   x = 8,913,692.33/2,895.23
6. Step 6: Final answer
   x = 3,078.76