Finding the Fourth Proportional to 16,086.15, 24,144.81 and 7,772.11

Step by Step Solution

1. Step 1: Write the proportion equation
   16,086.15 : 24,144.81 = 7,772.11 : x
2. Step 2: Convert to fraction form
   16,086.15/24,144.81 = 7,772.11/x
3. Step 3: Cross multiply
   16,086.15x = 24,144.81 × 7,772.11
4. Step 4: Simplify right side
   16,086.15x = 187,656,119.25
5. Step 5: Solve for x
   x = 187,656,119.25/16,086.15
6. Step 6: Final answer
   x = 11,665.69