Finding the Fourth Proportional to 9,469.72, 13,061.46 and 8,208.52

Step by Step Solution

1. Step 1: Write the proportion equation
   9,469.72 : 13,061.46 = 8,208.52 : x
2. Step 2: Convert to fraction form
   9,469.72/13,061.46 = 8,208.52/x
3. Step 3: Cross multiply
   9,469.72x = 13,061.46 × 8,208.52
4. Step 4: Simplify right side
   9,469.72x = 107,215,255.64
5. Step 5: Solve for x
   x = 107,215,255.64/9,469.72
6. Step 6: Final answer
   x = 11,321.90