Finding the Fourth Proportional to 2,346.57, 3,520.77 and 960.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,346.57 : 3,520.77 = 960.56 : x
2. Step 2: Convert to fraction form
   2,346.57/3,520.77 = 960.56/x
3. Step 3: Cross multiply
   2,346.57x = 3,520.77 × 960.56
4. Step 4: Simplify right side
   2,346.57x = 3,381,902.83
5. Step 5: Solve for x
   x = 3,381,902.83/2,346.57
6. Step 6: Final answer
   x = 1,441.21