Finding the Fourth Proportional to 10,874.79, 16,318.67 and 3,949.83

Step by Step Solution

1. Step 1: Write the proportion equation
   10,874.79 : 16,318.67 = 3,949.83 : x
2. Step 2: Convert to fraction form
   10,874.79/16,318.67 = 3,949.83/x
3. Step 3: Cross multiply
   10,874.79x = 16,318.67 × 3,949.83
4. Step 4: Simplify right side
   10,874.79x = 64,455,952.58
5. Step 5: Solve for x
   x = 64,455,952.58/10,874.79
6. Step 6: Final answer
   x = 5,927.10