Finding the Fourth Proportional to 16,019.15, 22,106.45 and 8,945.82

Step by Step Solution

1. Step 1: Write the proportion equation
   16,019.15 : 22,106.45 = 8,945.82 : x
2. Step 2: Convert to fraction form
   16,019.15/22,106.45 = 8,945.82/x
3. Step 3: Cross multiply
   16,019.15x = 22,106.45 × 8,945.82
4. Step 4: Simplify right side
   16,019.15x = 197,760,344.90
5. Step 5: Solve for x
   x = 197,760,344.90/16,019.15
6. Step 6: Final answer
   x = 12,345.25