Finding the Fourth Proportional to 10,930.29, 16,391.41 and 3,908.41

Step by Step Solution

1. Step 1: Write the proportion equation
   10,930.29 : 16,391.41 = 3,908.41 : x
2. Step 2: Convert to fraction form
   10,930.29/16,391.41 = 3,908.41/x
3. Step 3: Cross multiply
   10,930.29x = 16,391.41 × 3,908.41
4. Step 4: Simplify right side
   10,930.29x = 64,064,350.76
5. Step 5: Solve for x
   x = 64,064,350.76/10,930.29
6. Step 6: Final answer
   x = 5,861.18