Finding the Fourth Proportional to 16,320.82, 22,524.54 and 9,247.72

Step by Step Solution

1. Step 1: Write the proportion equation
   16,320.82 : 22,524.54 = 9,247.72 : x
2. Step 2: Convert to fraction form
   16,320.82/22,524.54 = 9,247.72/x
3. Step 3: Cross multiply
   16,320.82x = 22,524.54 × 9,247.72
4. Step 4: Simplify right side
   16,320.82x = 208,300,639.05
5. Step 5: Solve for x
   x = 208,300,639.05/16,320.82
6. Step 6: Final answer
   x = 12,762.88