Finding the Fourth Proportional to 8,147.39, 12,226.91 and 3,470.67

Step by Step Solution

1. Step 1: Write the proportion equation
   8,147.39 : 12,226.91 = 3,470.67 : x
2. Step 2: Convert to fraction form
   8,147.39/12,226.91 = 3,470.67/x
3. Step 3: Cross multiply
   8,147.39x = 12,226.91 × 3,470.67
4. Step 4: Simplify right side
   8,147.39x = 42,435,552.38
5. Step 5: Solve for x
   x = 42,435,552.38/8,147.39
6. Step 6: Final answer
   x = 5,208.49