Finding the Fourth Proportional to 8,171.47, 12,249.10 and 3,238.03

Step by Step Solution

1. Step 1: Write the proportion equation
   8,171.47 : 12,249.10 = 3,238.03 : x
2. Step 2: Convert to fraction form
   8,171.47/12,249.10 = 3,238.03/x
3. Step 3: Cross multiply
   8,171.47x = 12,249.10 × 3,238.03
4. Step 4: Simplify right side
   8,171.47x = 39,662,953.27
5. Step 5: Solve for x
   x = 39,662,953.27/8,171.47
6. Step 6: Final answer
   x = 4,853.83