Finding the Fourth Proportional to 16,009.68, 22,092.43 and 8,936.55

Step by Step Solution

1. Step 1: Write the proportion equation
   16,009.68 : 22,092.43 = 8,936.55 : x
2. Step 2: Convert to fraction form
   16,009.68/22,092.43 = 8,936.55/x
3. Step 3: Cross multiply
   16,009.68x = 22,092.43 × 8,936.55
4. Step 4: Simplify right side
   16,009.68x = 197,430,105.32
5. Step 5: Solve for x
   x = 197,430,105.32/16,009.68
6. Step 6: Final answer
   x = 12,331.92