Finding the Fourth Proportional to 3,300.56, 4,950.92 and 960.47

Step by Step Solution

1. Step 1: Write the proportion equation
   3,300.56 : 4,950.92 = 960.47 : x
2. Step 2: Convert to fraction form
   3,300.56/4,950.92 = 960.47/x
3. Step 3: Cross multiply
   3,300.56x = 4,950.92 × 960.47
4. Step 4: Simplify right side
   3,300.56x = 4,755,187.78
5. Step 5: Solve for x
   x = 4,755,187.78/3,300.56
6. Step 6: Final answer
   x = 1,440.72