Finding the Fourth Proportional to 8,186.35, 12,269.20 and 3,500.82

Step by Step Solution

1. Step 1: Write the proportion equation
   8,186.35 : 12,269.20 = 3,500.82 : x
2. Step 2: Convert to fraction form
   8,186.35/12,269.20 = 3,500.82/x
3. Step 3: Cross multiply
   8,186.35x = 12,269.20 × 3,500.82
4. Step 4: Simplify right side
   8,186.35x = 42,952,260.74
5. Step 5: Solve for x
   x = 42,952,260.74/8,186.35
6. Step 6: Final answer
   x = 5,246.81