Finding the Fourth Proportional to 8,137.23, 12,205.81 and 3,456.52

Step by Step Solution

1. Step 1: Write the proportion equation
   8,137.23 : 12,205.81 = 3,456.52 : x
2. Step 2: Convert to fraction form
   8,137.23/12,205.81 = 3,456.52/x
3. Step 3: Cross multiply
   8,137.23x = 12,205.81 × 3,456.52
4. Step 4: Simplify right side
   8,137.23x = 42,189,678.57
5. Step 5: Solve for x
   x = 42,189,678.57/8,137.23
6. Step 6: Final answer
   x = 5,184.77