Finding the Fourth Proportional to 16,022.12, 22,109.46 and 8,947.16

Step by Step Solution

1. Step 1: Write the proportion equation
   16,022.12 : 22,109.46 = 8,947.16 : x
2. Step 2: Convert to fraction form
   16,022.12/22,109.46 = 8,947.16/x
3. Step 3: Cross multiply
   16,022.12x = 22,109.46 × 8,947.16
4. Step 4: Simplify right side
   16,022.12x = 197,816,876.13
5. Step 5: Solve for x
   x = 197,816,876.13/16,022.12
6. Step 6: Final answer
   x = 12,346.49