Finding the Fourth Proportional to 16,141.28, 22,270.14 and 9,770.22

Step by Step Solution

1. Step 1: Write the proportion equation
   16,141.28 : 22,270.14 = 9,770.22 : x
2. Step 2: Convert to fraction form
   16,141.28/22,270.14 = 9,770.22/x
3. Step 3: Cross multiply
   16,141.28x = 22,270.14 × 9,770.22
4. Step 4: Simplify right side
   16,141.28x = 217,584,167.23
5. Step 5: Solve for x
   x = 217,584,167.23/16,141.28
6. Step 6: Final answer
   x = 13,479.99