Finding the Fourth Proportional to 16,222.55, 22,387.13 and 8,770.55

Step by Step Solution

1. Step 1: Write the proportion equation
   16,222.55 : 22,387.13 = 8,770.55 : x
2. Step 2: Convert to fraction form
   16,222.55/22,387.13 = 8,770.55/x
3. Step 3: Cross multiply
   16,222.55x = 22,387.13 × 8,770.55
4. Step 4: Simplify right side
   16,222.55x = 196,347,443.02
5. Step 5: Solve for x
   x = 196,347,443.02/16,222.55
6. Step 6: Final answer
   x = 12,103.36