Finding the Fourth Proportional to 2,065.20, 3,099.72 and 1,414.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,065.20 : 3,099.72 = 1,414.32 : x
2. Step 2: Convert to fraction form
   2,065.20/3,099.72 = 1,414.32/x
3. Step 3: Cross multiply
   2,065.20x = 3,099.72 × 1,414.32
4. Step 4: Simplify right side
   2,065.20x = 4,383,995.99
5. Step 5: Solve for x
   x = 4,383,995.99/2,065.20
6. Step 6: Final answer
   x = 2,122.79