Finding the Fourth Proportional to 16,086.40, 24,136.47 and 6,728.59

Step by Step Solution

1. Step 1: Write the proportion equation
   16,086.40 : 24,136.47 = 6,728.59 : x
2. Step 2: Convert to fraction form
   16,086.40/24,136.47 = 6,728.59/x
3. Step 3: Cross multiply
   16,086.40x = 24,136.47 × 6,728.59
4. Step 4: Simplify right side
   16,086.40x = 162,404,410.68
5. Step 5: Solve for x
   x = 162,404,410.68/16,086.40
6. Step 6: Final answer
   x = 10,095.76