Finding the Fourth Proportional to 2,276.86, 3,416.61 and 960.53

Step by Step Solution

1. Step 1: Write the proportion equation
   2,276.86 : 3,416.61 = 960.53 : x
2. Step 2: Convert to fraction form
   2,276.86/3,416.61 = 960.53/x
3. Step 3: Cross multiply
   2,276.86x = 3,416.61 × 960.53
4. Step 4: Simplify right side
   2,276.86x = 3,281,736.92
5. Step 5: Solve for x
   x = 3,281,736.92/2,276.86
6. Step 6: Final answer
   x = 1,441.35