Finding the Fourth Proportional to 8,186.48, 12,269.45 and 3,500.98

Step by Step Solution

1. Step 1: Write the proportion equation
   8,186.48 : 12,269.45 = 3,500.98 : x
2. Step 2: Convert to fraction form
   8,186.48/12,269.45 = 3,500.98/x
3. Step 3: Cross multiply
   8,186.48x = 12,269.45 × 3,500.98
4. Step 4: Simplify right side
   8,186.48x = 42,955,114.40
5. Step 5: Solve for x
   x = 42,955,114.40/8,186.48
6. Step 6: Final answer
   x = 5,247.08