Finding the Fourth Proportional to 2,520.52, 3,778.25 and 960.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,520.52 : 3,778.25 = 960.12 : x
2. Step 2: Convert to fraction form
   2,520.52/3,778.25 = 960.12/x
3. Step 3: Cross multiply
   2,520.52x = 3,778.25 × 960.12
4. Step 4: Simplify right side
   2,520.52x = 3,627,568.59
5. Step 5: Solve for x
   x = 3,627,568.59/2,520.52
6. Step 6: Final answer
   x = 1,439.22