Finding the Fourth Proportional to 12,196.56, 18,293.22 and 5,179.38

Step by Step Solution

1. Step 1: Write the proportion equation
   12,196.56 : 18,293.22 = 5,179.38 : x
2. Step 2: Convert to fraction form
   12,196.56/18,293.22 = 5,179.38/x
3. Step 3: Cross multiply
   12,196.56x = 18,293.22 × 5,179.38
4. Step 4: Simplify right side
   12,196.56x = 94,747,537.80
5. Step 5: Solve for x
   x = 94,747,537.80/12,196.56
6. Step 6: Final answer
   x = 7,768.38