Finding the Fourth Proportional to 2,383.52, 3,284.82 and 1,719.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,383.52 : 3,284.82 = 1,719.20 : x
2. Step 2: Convert to fraction form
   2,383.52/3,284.82 = 1,719.20/x
3. Step 3: Cross multiply
   2,383.52x = 3,284.82 × 1,719.20
4. Step 4: Simplify right side
   2,383.52x = 5,647,262.54
5. Step 5: Solve for x
   x = 5,647,262.54/2,383.52
6. Step 6: Final answer
   x = 2,369.30