Finding the Fourth Proportional to 2,509.43, 3,763.53 and 1,960.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,509.43 : 3,763.53 = 1,960.25 : x
2. Step 2: Convert to fraction form
   2,509.43/3,763.53 = 1,960.25/x
3. Step 3: Cross multiply
   2,509.43x = 3,763.53 × 1,960.25
4. Step 4: Simplify right side
   2,509.43x = 7,377,440.86
5. Step 5: Solve for x
   x = 7,377,440.86/2,509.43
6. Step 6: Final answer
   x = 2,939.89