Finding the Fourth Proportional to 2,033.91, 3,049.20 and 1,686.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,033.91 : 3,049.20 = 1,686.15 : x
2. Step 2: Convert to fraction form
   2,033.91/3,049.20 = 1,686.15/x
3. Step 3: Cross multiply
   2,033.91x = 3,049.20 × 1,686.15
4. Step 4: Simplify right side
   2,033.91x = 5,141,408.58
5. Step 5: Solve for x
   x = 5,141,408.58/2,033.91
6. Step 6: Final answer
   x = 2,527.84