Finding the Fourth Proportional to 3,300.31, 4,950.55 and 960.22

Step by Step Solution

1. Step 1: Write the proportion equation
   3,300.31 : 4,950.55 = 960.22 : x
2. Step 2: Convert to fraction form
   3,300.31/4,950.55 = 960.22/x
3. Step 3: Cross multiply
   3,300.31x = 4,950.55 × 960.22
4. Step 4: Simplify right side
   3,300.31x = 4,753,592.37
5. Step 5: Solve for x
   x = 4,753,592.37/3,300.31
6. Step 6: Final answer
   x = 1,440.35