Finding the Fourth Proportional to 2,309.28, 3,464.72 and 1,442.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,309.28 : 3,464.72 = 1,442.56 : x
2. Step 2: Convert to fraction form
   2,309.28/3,464.72 = 1,442.56/x
3. Step 3: Cross multiply
   2,309.28x = 3,464.72 × 1,442.56
4. Step 4: Simplify right side
   2,309.28x = 4,998,066.48
5. Step 5: Solve for x
   x = 4,998,066.48/2,309.28
6. Step 6: Final answer
   x = 2,164.34