Finding the Fourth Proportional to 14,802.72, 22,168.64 and 8,212.56

Step by Step Solution

1. Step 1: Write the proportion equation
   14,802.72 : 22,168.64 = 8,212.56 : x
2. Step 2: Convert to fraction form
   14,802.72/22,168.64 = 8,212.56/x
3. Step 3: Cross multiply
   14,802.72x = 22,168.64 × 8,212.56
4. Step 4: Simplify right side
   14,802.72x = 182,061,286.12
5. Step 5: Solve for x
   x = 182,061,286.12/14,802.72
6. Step 6: Final answer
   x = 12,299.18