Finding the Fourth Proportional to 10,861.39, 16,294.11 and 3,467.71

Step by Step Solution

1. Step 1: Write the proportion equation
   10,861.39 : 16,294.11 = 3,467.71 : x
2. Step 2: Convert to fraction form
   10,861.39/16,294.11 = 3,467.71/x
3. Step 3: Cross multiply
   10,861.39x = 16,294.11 × 3,467.71
4. Step 4: Simplify right side
   10,861.39x = 56,503,149.38
5. Step 5: Solve for x
   x = 56,503,149.38/10,861.39
6. Step 6: Final answer
   x = 5,202.20