Finding the Fourth Proportional to 16,006.78, 22,089.42 and 8,933.50

Step by Step Solution

1. Step 1: Write the proportion equation
   16,006.78 : 22,089.42 = 8,933.50 : x
2. Step 2: Convert to fraction form
   16,006.78/22,089.42 = 8,933.50/x
3. Step 3: Cross multiply
   16,006.78x = 22,089.42 × 8,933.50
4. Step 4: Simplify right side
   16,006.78x = 197,335,833.57
5. Step 5: Solve for x
   x = 197,335,833.57/16,006.78
6. Step 6: Final answer
   x = 12,328.27