Finding the Fourth Proportional to 2,603.98, 3,904.03 and 960.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,603.98 : 3,904.03 = 960.22 : x
2. Step 2: Convert to fraction form
   2,603.98/3,904.03 = 960.22/x
3. Step 3: Cross multiply
   2,603.98x = 3,904.03 × 960.22
4. Step 4: Simplify right side
   2,603.98x = 3,748,733.77
5. Step 5: Solve for x
   x = 3,748,733.77/2,603.98
6. Step 6: Final answer
   x = 1,439.62