Finding the Fourth Proportional to 16,289.37, 24,395.78 and 7,943.22

Step by Step Solution

1. Step 1: Write the proportion equation
   16,289.37 : 24,395.78 = 7,943.22 : x
2. Step 2: Convert to fraction form
   16,289.37/24,395.78 = 7,943.22/x
3. Step 3: Cross multiply
   16,289.37x = 24,395.78 × 7,943.22
4. Step 4: Simplify right side
   16,289.37x = 193,781,067.47
5. Step 5: Solve for x
   x = 193,781,067.47/16,289.37
6. Step 6: Final answer
   x = 11,896.17