Finding the Fourth Proportional to 2,408.30, 3,610.44 and 1,022.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,408.30 : 3,610.44 = 1,022.72 : x
2. Step 2: Convert to fraction form
   2,408.30/3,610.44 = 1,022.72/x
3. Step 3: Cross multiply
   2,408.30x = 3,610.44 × 1,022.72
4. Step 4: Simplify right side
   2,408.30x = 3,692,469.20
5. Step 5: Solve for x
   x = 3,692,469.20/2,408.30
6. Step 6: Final answer
   x = 1,533.23