Finding the Fourth Proportional to 8,113.29, 12,171.18 and 3,433.34

Step by Step Solution

1. Step 1: Write the proportion equation
   8,113.29 : 12,171.18 = 3,433.34 : x
2. Step 2: Convert to fraction form
   8,113.29/12,171.18 = 3,433.34/x
3. Step 3: Cross multiply
   8,113.29x = 12,171.18 × 3,433.34
4. Step 4: Simplify right side
   8,113.29x = 41,787,746.87
5. Step 5: Solve for x
   x = 41,787,746.87/8,113.29
6. Step 6: Final answer
   x = 5,150.53