Finding the Fourth Proportional to 10,644.48, 14,688.54 and 6,168.42

Step by Step Solution

1. Step 1: Write the proportion equation
   10,644.48 : 14,688.54 = 6,168.42 : x
2. Step 2: Convert to fraction form
   10,644.48/14,688.54 = 6,168.42/x
3. Step 3: Cross multiply
   10,644.48x = 14,688.54 × 6,168.42
4. Step 4: Simplify right side
   10,644.48x = 90,605,083.91
5. Step 5: Solve for x
   x = 90,605,083.91/10,644.48
6. Step 6: Final answer
   x = 8,511.93