Finding the Fourth Proportional to 16,171.28, 22,314.78 and 9,097.55

Step by Step Solution

1. Step 1: Write the proportion equation
   16,171.28 : 22,314.78 = 9,097.55 : x
2. Step 2: Convert to fraction form
   16,171.28/22,314.78 = 9,097.55/x
3. Step 3: Cross multiply
   16,171.28x = 22,314.78 × 9,097.55
4. Step 4: Simplify right side
   16,171.28x = 203,009,715.22
5. Step 5: Solve for x
   x = 203,009,715.22/16,171.28
6. Step 6: Final answer
   x = 12,553.72