Finding the Fourth Proportional to 8,113.30, 12,171.85 and 3,433.73

Step by Step Solution

1. Step 1: Write the proportion equation
   8,113.30 : 12,171.85 = 3,433.73 : x
2. Step 2: Convert to fraction form
   8,113.30/12,171.85 = 3,433.73/x
3. Step 3: Cross multiply
   8,113.30x = 12,171.85 × 3,433.73
4. Step 4: Simplify right side
   8,113.30x = 41,794,846.50
5. Step 5: Solve for x
   x = 41,794,846.50/8,113.30
6. Step 6: Final answer
   x = 5,151.40