Finding the Fourth Proportional to 12,171.24, 16,796.82 and 7,693.38

Step by Step Solution

1. Step 1: Write the proportion equation
   12,171.24 : 16,796.82 = 7,693.38 : x
2. Step 2: Convert to fraction form
   12,171.24/16,796.82 = 7,693.38/x
3. Step 3: Cross multiply
   12,171.24x = 16,796.82 × 7,693.38
4. Step 4: Simplify right side
   12,171.24x = 129,224,319.05
5. Step 5: Solve for x
   x = 129,224,319.05/12,171.24
6. Step 6: Final answer
   x = 10,617.19