Finding the Fourth Proportional to 3,995.84, 5,989.98 and 2,144.18

Step by Step Solution

1. Step 1: Write the proportion equation
   3,995.84 : 5,989.98 = 2,144.18 : x
2. Step 2: Convert to fraction form
   3,995.84/5,989.98 = 2,144.18/x
3. Step 3: Cross multiply
   3,995.84x = 5,989.98 × 2,144.18
4. Step 4: Simplify right side
   3,995.84x = 12,843,595.32
5. Step 5: Solve for x
   x = 12,843,595.32/3,995.84
6. Step 6: Final answer
   x = 3,214.24