Finding the Fourth Proportional to 16,222.25, 22,386.71 and 8,770.25

Step by Step Solution

1. Step 1: Write the proportion equation
   16,222.25 : 22,386.71 = 8,770.25 : x
2. Step 2: Convert to fraction form
   16,222.25/22,386.71 = 8,770.25/x
3. Step 3: Cross multiply
   16,222.25x = 22,386.71 × 8,770.25
4. Step 4: Simplify right side
   16,222.25x = 196,337,043.38
5. Step 5: Solve for x
   x = 196,337,043.38/16,222.25
6. Step 6: Final answer
   x = 12,102.95