Finding the Fourth Proportional to 16,222.86, 22,387.56 and 8,770.86

Step by Step Solution

1. Step 1: Write the proportion equation
   16,222.86 : 22,387.56 = 8,770.86 : x
2. Step 2: Convert to fraction form
   16,222.86/22,387.56 = 8,770.86/x
3. Step 3: Cross multiply
   16,222.86x = 22,387.56 × 8,770.86
4. Step 4: Simplify right side
   16,222.86x = 196,358,154.50
5. Step 5: Solve for x
   x = 196,358,154.50/16,222.86
6. Step 6: Final answer
   x = 12,103.79