Finding the Fourth Proportional to 8,185.39, 12,267.81 and 3,499.89

Step by Step Solution

1. Step 1: Write the proportion equation
   8,185.39 : 12,267.81 = 3,499.89 : x
2. Step 2: Convert to fraction form
   8,185.39/12,267.81 = 3,499.89/x
3. Step 3: Cross multiply
   8,185.39x = 12,267.81 × 3,499.89
4. Step 4: Simplify right side
   8,185.39x = 42,935,951.87
5. Step 5: Solve for x
   x = 42,935,951.87/8,185.39
6. Step 6: Final answer
   x = 5,245.44