Finding the Fourth Proportional to 16,171.72, 22,315.78 and 9,096.78

Step by Step Solution

1. Step 1: Write the proportion equation
   16,171.72 : 22,315.78 = 9,096.78 : x
2. Step 2: Convert to fraction form
   16,171.72/22,315.78 = 9,096.78/x
3. Step 3: Cross multiply
   16,171.72x = 22,315.78 × 9,096.78
4. Step 4: Simplify right side
   16,171.72x = 203,001,741.19
5. Step 5: Solve for x
   x = 203,001,741.19/16,171.72
6. Step 6: Final answer
   x = 12,552.88