Finding the Fourth Proportional to 2,055, 3,084.18 and 1,439.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,055 : 3,084.18 = 1,439.94 : x
2. Step 2: Convert to fraction form
   2,055/3,084.18 = 1,439.94/x
3. Step 3: Cross multiply
   2,055x = 3,084.18 × 1,439.94
4. Step 4: Simplify right side
   2,055x = 4,441,034.15
5. Step 5: Solve for x
   x = 4,441,034.15/2,055
6. Step 6: Final answer
   x = 2,161.09