Finding the Fourth Proportional to 3,151.89, 4,726.31 and 960.03

Step by Step Solution

1. Step 1: Write the proportion equation
   3,151.89 : 4,726.31 = 960.03 : x
2. Step 2: Convert to fraction form
   3,151.89/4,726.31 = 960.03/x
3. Step 3: Cross multiply
   3,151.89x = 4,726.31 × 960.03
4. Step 4: Simplify right side
   3,151.89x = 4,537,399.39
5. Step 5: Solve for x
   x = 4,537,399.39/3,151.89
6. Step 6: Final answer
   x = 1,439.58