Finding the Fourth Proportional to 3,519.50, 5,275.76 and 1,960.22

Step by Step Solution

1. Step 1: Write the proportion equation
   3,519.50 : 5,275.76 = 1,960.22 : x
2. Step 2: Convert to fraction form
   3,519.50/5,275.76 = 1,960.22/x
3. Step 3: Cross multiply
   3,519.50x = 5,275.76 × 1,960.22
4. Step 4: Simplify right side
   3,519.50x = 10,341,614.09
5. Step 5: Solve for x
   x = 10,341,614.09/3,519.50
6. Step 6: Final answer
   x = 2,938.38