Finding the Fourth Proportional to 16,343.50, 22,554.30 and 8,891.50

Step by Step Solution

1. Step 1: Write the proportion equation
   16,343.50 : 22,554.30 = 8,891.50 : x
2. Step 2: Convert to fraction form
   16,343.50/22,554.30 = 8,891.50/x
3. Step 3: Cross multiply
   16,343.50x = 22,554.30 × 8,891.50
4. Step 4: Simplify right side
   16,343.50x = 200,541,558.45
5. Step 5: Solve for x
   x = 200,541,558.45/16,343.50
6. Step 6: Final answer
   x = 12,270.42