Finding the Fourth Proportional to 9,269.39, 12,786.71 and 5,906.27

Step by Step Solution

1. Step 1: Write the proportion equation
   9,269.39 : 12,786.71 = 5,906.27 : x
2. Step 2: Convert to fraction form
   9,269.39/12,786.71 = 5,906.27/x
3. Step 3: Cross multiply
   9,269.39x = 12,786.71 × 5,906.27
4. Step 4: Simplify right side
   9,269.39x = 75,521,668.21
5. Step 5: Solve for x
   x = 75,521,668.21/9,269.39
6. Step 6: Final answer
   x = 8,147.43