Finding the Fourth Proportional to 16,042.59, 22,139.60 and 8,968.59

Step by Step Solution

1. Step 1: Write the proportion equation
   16,042.59 : 22,139.60 = 8,968.59 : x
2. Step 2: Convert to fraction form
   16,042.59/22,139.60 = 8,968.59/x
3. Step 3: Cross multiply
   16,042.59x = 22,139.60 × 8,968.59
4. Step 4: Simplify right side
   16,042.59x = 198,560,950.32
5. Step 5: Solve for x
   x = 198,560,950.32/16,042.59
6. Step 6: Final answer
   x = 12,377.11