Finding the Fourth Proportional to 9,223.91, 13,839.33 and 5,528.79

Step by Step Solution

1. Step 1: Write the proportion equation
   9,223.91 : 13,839.33 = 5,528.79 : x
2. Step 2: Convert to fraction form
   9,223.91/13,839.33 = 5,528.79/x
3. Step 3: Cross multiply
   9,223.91x = 13,839.33 × 5,528.79
4. Step 4: Simplify right side
   9,223.91x = 76,514,749.31
5. Step 5: Solve for x
   x = 76,514,749.31/9,223.91
6. Step 6: Final answer
   x = 8,295.27