Finding the Fourth Proportional to 16,190.88, 22,340.52 and 9,816.72

Step by Step Solution

1. Step 1: Write the proportion equation
   16,190.88 : 22,340.52 = 9,816.72 : x
2. Step 2: Convert to fraction form
   16,190.88/22,340.52 = 9,816.72/x
3. Step 3: Cross multiply
   16,190.88x = 22,340.52 × 9,816.72
4. Step 4: Simplify right side
   16,190.88x = 219,310,629.49
5. Step 5: Solve for x
   x = 219,310,629.49/16,190.88
6. Step 6: Final answer
   x = 13,545.32