Finding the Fourth Proportional to 7,960.38, 10,986.94 and 5,449.43

Step by Step Solution

1. Step 1: Write the proportion equation
   7,960.38 : 10,986.94 = 5,449.43 : x
2. Step 2: Convert to fraction form
   7,960.38/10,986.94 = 5,449.43/x
3. Step 3: Cross multiply
   7,960.38x = 10,986.94 × 5,449.43
4. Step 4: Simplify right side
   7,960.38x = 59,872,532.92
5. Step 5: Solve for x
   x = 59,872,532.92/7,960.38
6. Step 6: Final answer
   x = 7,521.32