Finding the Fourth Proportional to 16,117.28, 22,241.27 and 8,947.50

Step by Step Solution

1. Step 1: Write the proportion equation
   16,117.28 : 22,241.27 = 8,947.50 : x
2. Step 2: Convert to fraction form
   16,117.28/22,241.27 = 8,947.50/x
3. Step 3: Cross multiply
   16,117.28x = 22,241.27 × 8,947.50
4. Step 4: Simplify right side
   16,117.28x = 199,003,839.62
5. Step 5: Solve for x
   x = 199,003,839.62/16,117.28
6. Step 6: Final answer
   x = 12,347.24