Finding the Fourth Proportional to 16,138.34, 22,269.89 and 8,967.81

Step by Step Solution

1. Step 1: Write the proportion equation
   16,138.34 : 22,269.89 = 8,967.81 : x
2. Step 2: Convert to fraction form
   16,138.34/22,269.89 = 8,967.81/x
3. Step 3: Cross multiply
   16,138.34x = 22,269.89 × 8,967.81
4. Step 4: Simplify right side
   16,138.34x = 199,712,097.40
5. Step 5: Solve for x
   x = 199,712,097.40/16,138.34
6. Step 6: Final answer
   x = 12,375.01