Finding the Fourth Proportional to 16,022.72, 22,111.68 and 8,950.40

Step by Step Solution

1. Step 1: Write the proportion equation
   16,022.72 : 22,111.68 = 8,950.40 : x
2. Step 2: Convert to fraction form
   16,022.72/22,111.68 = 8,950.40/x
3. Step 3: Cross multiply
   16,022.72x = 22,111.68 × 8,950.40
4. Step 4: Simplify right side
   16,022.72x = 197,908,380.67
5. Step 5: Solve for x
   x = 197,908,380.67/16,022.72
6. Step 6: Final answer
   x = 12,351.73