Finding the Fourth Proportional to 2,673.39, 4,011.59 and 1,440.77

Step by Step Solution

1. Step 1: Write the proportion equation
   2,673.39 : 4,011.59 = 1,440.77 : x
2. Step 2: Convert to fraction form
   2,673.39/4,011.59 = 1,440.77/x
3. Step 3: Cross multiply
   2,673.39x = 4,011.59 × 1,440.77
4. Step 4: Simplify right side
   2,673.39x = 5,779,778.52
5. Step 5: Solve for x
   x = 5,779,778.52/2,673.39
6. Step 6: Final answer
   x = 2,161.97