Finding the Fourth Proportional to 12,171.27, 16,796.72 and 7,452.88

Step by Step Solution

1. Step 1: Write the proportion equation
   12,171.27 : 16,796.72 = 7,452.88 : x
2. Step 2: Convert to fraction form
   12,171.27/16,796.72 = 7,452.88/x
3. Step 3: Cross multiply
   12,171.27x = 16,796.72 × 7,452.88
4. Step 4: Simplify right side
   12,171.27x = 125,183,938.55
5. Step 5: Solve for x
   x = 125,183,938.55/12,171.27
6. Step 6: Final answer
   x = 10,285.20