Finding the Fourth Proportional to 9,238.91, 13,823.43 and 5,668.28

Step by Step Solution

1. Step 1: Write the proportion equation
   9,238.91 : 13,823.43 = 5,668.28 : x
2. Step 2: Convert to fraction form
   9,238.91/13,823.43 = 5,668.28/x
3. Step 3: Cross multiply
   9,238.91x = 13,823.43 × 5,668.28
4. Step 4: Simplify right side
   9,238.91x = 78,355,071.80
5. Step 5: Solve for x
   x = 78,355,071.80/9,238.91
6. Step 6: Final answer
   x = 8,480.99