Finding the Fourth Proportional to 1,745.05, 2,408.18 and 959.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,745.05 : 2,408.18 = 959.15 : x
2. Step 2: Convert to fraction form
   1,745.05/2,408.18 = 959.15/x
3. Step 3: Cross multiply
   1,745.05x = 2,408.18 × 959.15
4. Step 4: Simplify right side
   1,745.05x = 2,309,794.42
5. Step 5: Solve for x
   x = 2,309,794.42/1,745.05
6. Step 6: Final answer
   x = 1,323.63