Finding the Fourth Proportional to 3,150.56, 4,726.87 and 959.29

Step by Step Solution

1. Step 1: Write the proportion equation
   3,150.56 : 4,726.87 = 959.29 : x
2. Step 2: Convert to fraction form
   3,150.56/4,726.87 = 959.29/x
3. Step 3: Cross multiply
   3,150.56x = 4,726.87 × 959.29
4. Step 4: Simplify right side
   3,150.56x = 4,534,456.89
5. Step 5: Solve for x
   x = 4,534,456.89/3,150.56
6. Step 6: Final answer
   x = 1,439.25