Finding the Fourth Proportional to 8,271.18, 12,398.61 and 3,339.54

Step by Step Solution

1. Step 1: Write the proportion equation
   8,271.18 : 12,398.61 = 3,339.54 : x
2. Step 2: Convert to fraction form
   8,271.18/12,398.61 = 3,339.54/x
3. Step 3: Cross multiply
   8,271.18x = 12,398.61 × 3,339.54
4. Step 4: Simplify right side
   8,271.18x = 41,405,654.04
5. Step 5: Solve for x
   x = 41,405,654.04/8,271.18
6. Step 6: Final answer
   x = 5,006.02