Finding the Fourth Proportional to 16,222.77, 22,387.47 and 8,770.77

Step by Step Solution

1. Step 1: Write the proportion equation
   16,222.77 : 22,387.47 = 8,770.77 : x
2. Step 2: Convert to fraction form
   16,222.77/22,387.47 = 8,770.77/x
3. Step 3: Cross multiply
   16,222.77x = 22,387.47 × 8,770.77
4. Step 4: Simplify right side
   16,222.77x = 196,355,350.25
5. Step 5: Solve for x
   x = 196,355,350.25/16,222.77
6. Step 6: Final answer
   x = 12,103.69