Finding the Fourth Proportional to 2,603.03, 3,902.23 and 959.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,603.03 : 3,902.23 = 959.20 : x
2. Step 2: Convert to fraction form
   2,603.03/3,902.23 = 959.20/x
3. Step 3: Cross multiply
   2,603.03x = 3,902.23 × 959.20
4. Step 4: Simplify right side
   2,603.03x = 3,743,019.02
5. Step 5: Solve for x
   x = 3,743,019.02/2,603.03
6. Step 6: Final answer
   x = 1,437.95