Finding the Fourth Proportional to 2,145.29, 2,960.96 and 1,306.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,145.29 : 2,960.96 = 1,306.27 : x
2. Step 2: Convert to fraction form
   2,145.29/2,960.96 = 1,306.27/x
3. Step 3: Cross multiply
   2,145.29x = 2,960.96 × 1,306.27
4. Step 4: Simplify right side
   2,145.29x = 3,867,791.88
5. Step 5: Solve for x
   x = 3,867,791.88/2,145.29
6. Step 6: Final answer
   x = 1,802.93