Finding the Fourth Proportional to 9,392.39, 12,960.57 and 5,614.79

Step by Step Solution

1. Step 1: Write the proportion equation
   9,392.39 : 12,960.57 = 5,614.79 : x
2. Step 2: Convert to fraction form
   9,392.39/12,960.57 = 5,614.79/x
3. Step 3: Cross multiply
   9,392.39x = 12,960.57 × 5,614.79
4. Step 4: Simplify right side
   9,392.39x = 72,770,814.03
5. Step 5: Solve for x
   x = 72,770,814.03/9,392.39
6. Step 6: Final answer
   x = 7,747.85