Finding the Fourth Proportional to 16,065.72, 22,171.73 and 8,994.42

Step by Step Solution

1. Step 1: Write the proportion equation
   16,065.72 : 22,171.73 = 8,994.42 : x
2. Step 2: Convert to fraction form
   16,065.72/22,171.73 = 8,994.42/x
3. Step 3: Cross multiply
   16,065.72x = 22,171.73 × 8,994.42
4. Step 4: Simplify right side
   16,065.72x = 199,421,806.77
5. Step 5: Solve for x
   x = 199,421,806.77/16,065.72
6. Step 6: Final answer
   x = 12,412.88