Finding the Fourth Proportional to 16,222.05, 22,386.44 and 8,770.05

Step by Step Solution

1. Step 1: Write the proportion equation
   16,222.05 : 22,386.44 = 8,770.05 : x
2. Step 2: Convert to fraction form
   16,222.05/22,386.44 = 8,770.05/x
3. Step 3: Cross multiply
   16,222.05x = 22,386.44 × 8,770.05
4. Step 4: Simplify right side
   16,222.05x = 196,330,154.27
5. Step 5: Solve for x
   x = 196,330,154.27/16,222.05
6. Step 6: Final answer
   x = 12,102.67