Finding the Fourth Proportional to 16,041.69, 22,139.60 and 8,968.50

Step by Step Solution

1. Step 1: Write the proportion equation
   16,041.69 : 22,139.60 = 8,968.50 : x
2. Step 2: Convert to fraction form
   16,041.69/22,139.60 = 8,968.50/x
3. Step 3: Cross multiply
   16,041.69x = 22,139.60 × 8,968.50
4. Step 4: Simplify right side
   16,041.69x = 198,558,957.76
5. Step 5: Solve for x
   x = 198,558,957.76/16,041.69
6. Step 6: Final answer
   x = 12,377.68