Finding the Fourth Proportional to 9,168.39, 12,651.82 and 5,392.23

Step by Step Solution

1. Step 1: Write the proportion equation
   9,168.39 : 12,651.82 = 5,392.23 : x
2. Step 2: Convert to fraction form
   9,168.39/12,651.82 = 5,392.23/x
3. Step 3: Cross multiply
   9,168.39x = 12,651.82 × 5,392.23
4. Step 4: Simplify right side
   9,168.39x = 68,221,523.36
5. Step 5: Solve for x
   x = 68,221,523.36/9,168.39
6. Step 6: Final answer
   x = 7,440.95