Finding the Fourth Proportional to 16,020.77, 22,108.71 and 8,947.46

Step by Step Solution

1. Step 1: Write the proportion equation
   16,020.77 : 22,108.71 = 8,947.46 : x
2. Step 2: Convert to fraction form
   16,020.77/22,108.71 = 8,947.46/x
3. Step 3: Cross multiply
   16,020.77x = 22,108.71 × 8,947.46
4. Step 4: Simplify right side
   16,020.77x = 197,816,798.38
5. Step 5: Solve for x
   x = 197,816,798.38/16,020.77
6. Step 6: Final answer
   x = 12,347.52