Finding the Fourth Proportional to 2,425.28, 3,635.43 and 1,383.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,425.28 : 3,635.43 = 1,383.15 : x
2. Step 2: Convert to fraction form
   2,425.28/3,635.43 = 1,383.15/x
3. Step 3: Cross multiply
   2,425.28x = 3,635.43 × 1,383.15
4. Step 4: Simplify right side
   2,425.28x = 5,028,345.00
5. Step 5: Solve for x
   x = 5,028,345.00/2,425.28
6. Step 6: Final answer
   x = 2,073.30