Finding the Fourth Proportional to 16,139.30, 22,270.04 and 8,968.67

Step by Step Solution

1. Step 1: Write the proportion equation
   16,139.30 : 22,270.04 = 8,968.67 : x
2. Step 2: Convert to fraction form
   16,139.30/22,270.04 = 8,968.67/x
3. Step 3: Cross multiply
   16,139.30x = 22,270.04 × 8,968.67
4. Step 4: Simplify right side
   16,139.30x = 199,732,725.87
5. Step 5: Solve for x
   x = 199,732,725.87/16,139.30
6. Step 6: Final answer
   x = 12,375.55