Finding the Fourth Proportional to 16,305.14, 22,500.78 and 9,591.50

Step by Step Solution

1. Step 1: Write the proportion equation
   16,305.14 : 22,500.78 = 9,591.50 : x
2. Step 2: Convert to fraction form
   16,305.14/22,500.78 = 9,591.50/x
3. Step 3: Cross multiply
   16,305.14x = 22,500.78 × 9,591.50
4. Step 4: Simplify right side
   16,305.14x = 215,816,231.37
5. Step 5: Solve for x
   x = 215,816,231.37/16,305.14
6. Step 6: Final answer
   x = 13,236.09