Finding the Fourth Proportional to 9,960.40, 13,744.50 and 5,768.92

Step by Step Solution

1. Step 1: Write the proportion equation
   9,960.40 : 13,744.50 = 5,768.92 : x
2. Step 2: Convert to fraction form
   9,960.40/13,744.50 = 5,768.92/x
3. Step 3: Cross multiply
   9,960.40x = 13,744.50 × 5,768.92
4. Step 4: Simplify right side
   9,960.40x = 79,290,920.94
5. Step 5: Solve for x
   x = 79,290,920.94/9,960.40
6. Step 6: Final answer
   x = 7,960.62