Finding the Fourth Proportional to 8,071.82, 12,111.39 and 4,121.04

Step by Step Solution

1. Step 1: Write the proportion equation
   8,071.82 : 12,111.39 = 4,121.04 : x
2. Step 2: Convert to fraction form
   8,071.82/12,111.39 = 4,121.04/x
3. Step 3: Cross multiply
   8,071.82x = 12,111.39 × 4,121.04
4. Step 4: Simplify right side
   8,071.82x = 49,911,542.62
5. Step 5: Solve for x
   x = 49,911,542.62/8,071.82
6. Step 6: Final answer
   x = 6,183.43