Finding the Fourth Proportional to 16,019.12, 22,103.70 and 8,945.57

Step by Step Solution

1. Step 1: Write the proportion equation
   16,019.12 : 22,103.70 = 8,945.57 : x
2. Step 2: Convert to fraction form
   16,019.12/22,103.70 = 8,945.57/x
3. Step 3: Cross multiply
   16,019.12x = 22,103.70 × 8,945.57
4. Step 4: Simplify right side
   16,019.12x = 197,730,195.61
5. Step 5: Solve for x
   x = 197,730,195.61/16,019.12
6. Step 6: Final answer
   x = 12,343.39