Finding the Fourth Proportional to 10,913.85, 16,371.98 and 3,895.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,913.85 : 16,371.98 = 3,895.50 : x
2. Step 2: Convert to fraction form
   10,913.85/16,371.98 = 3,895.50/x
3. Step 3: Cross multiply
   10,913.85x = 16,371.98 × 3,895.50
4. Step 4: Simplify right side
   10,913.85x = 63,777,048.09
5. Step 5: Solve for x
   x = 63,777,048.09/10,913.85
6. Step 6: Final answer
   x = 5,843.68