Finding the Fourth Proportional to 10,875.28, 16,311.96 and 3,949.84

Step by Step Solution

1. Step 1: Write the proportion equation
   10,875.28 : 16,311.96 = 3,949.84 : x
2. Step 2: Convert to fraction form
   10,875.28/16,311.96 = 3,949.84/x
3. Step 3: Cross multiply
   10,875.28x = 16,311.96 × 3,949.84
4. Step 4: Simplify right side
   10,875.28x = 64,429,632.09
5. Step 5: Solve for x
   x = 64,429,632.09/10,875.28
6. Step 6: Final answer
   x = 5,924.41