Finding the Fourth Proportional to 16,091.24, 22,205.86 and 9,380.84

Step by Step Solution

1. Step 1: Write the proportion equation
   16,091.24 : 22,205.86 = 9,380.84 : x
2. Step 2: Convert to fraction form
   16,091.24/22,205.86 = 9,380.84/x
3. Step 3: Cross multiply
   16,091.24x = 22,205.86 × 9,380.84
4. Step 4: Simplify right side
   16,091.24x = 208,309,619.72
5. Step 5: Solve for x
   x = 208,309,619.72/16,091.24
6. Step 6: Final answer
   x = 12,945.53