Finding the Fourth Proportional to 10,849.52, 16,229.70 and 8,662.52

Step by Step Solution

1. Step 1: Write the proportion equation
   10,849.52 : 16,229.70 = 8,662.52 : x
2. Step 2: Convert to fraction form
   10,849.52/16,229.70 = 8,662.52/x
3. Step 3: Cross multiply
   10,849.52x = 16,229.70 × 8,662.52
4. Step 4: Simplify right side
   10,849.52x = 140,590,019.70
5. Step 5: Solve for x
   x = 140,590,019.70/10,849.52
6. Step 6: Final answer
   x = 12,958.18