Finding the Fourth Proportional to 16,043.34, 22,140.15 and 8,969.61

Step by Step Solution

1. Step 1: Write the proportion equation
   16,043.34 : 22,140.15 = 8,969.61 : x
2. Step 2: Convert to fraction form
   16,043.34/22,140.15 = 8,969.61/x
3. Step 3: Cross multiply
   16,043.34x = 22,140.15 × 8,969.61
4. Step 4: Simplify right side
   16,043.34x = 198,588,510.84
5. Step 5: Solve for x
   x = 198,588,510.84/16,043.34
6. Step 6: Final answer
   x = 12,378.25