Finding the Fourth Proportional to 16,019.27, 22,106.64 and 8,945.96

Step by Step Solution

1. Step 1: Write the proportion equation
   16,019.27 : 22,106.64 = 8,945.96 : x
2. Step 2: Convert to fraction form
   16,019.27/22,106.64 = 8,945.96/x
3. Step 3: Cross multiply
   16,019.27x = 22,106.64 × 8,945.96
4. Step 4: Simplify right side
   16,019.27x = 197,765,117.17
5. Step 5: Solve for x
   x = 197,765,117.17/16,019.27
6. Step 6: Final answer
   x = 12,345.45