Finding the Fourth Proportional to 9,392.29, 12,960.47 and 5,614.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,392.29 : 12,960.47 = 5,614.72 : x
2. Step 2: Convert to fraction form
   9,392.29/12,960.47 = 5,614.72/x
3. Step 3: Cross multiply
   9,392.29x = 12,960.47 × 5,614.72
4. Step 4: Simplify right side
   9,392.29x = 72,769,391.75
5. Step 5: Solve for x
   x = 72,769,391.75/9,392.29
6. Step 6: Final answer
   x = 7,747.78