Finding the Fourth Proportional to 2,144.16, 3,210.89 and 1,361.79

Step by Step Solution

1. Step 1: Write the proportion equation
   2,144.16 : 3,210.89 = 1,361.79 : x
2. Step 2: Convert to fraction form
   2,144.16/3,210.89 = 1,361.79/x
3. Step 3: Cross multiply
   2,144.16x = 3,210.89 × 1,361.79
4. Step 4: Simplify right side
   2,144.16x = 4,372,551.08
5. Step 5: Solve for x
   x = 4,372,551.08/2,144.16
6. Step 6: Final answer
   x = 2,039.28