Finding the Fourth Proportional to 10,884.56, 16,329.24 and 3,959

Step by Step Solution

1. Step 1: Write the proportion equation
   10,884.56 : 16,329.24 = 3,959 : x
2. Step 2: Convert to fraction form
   10,884.56/16,329.24 = 3,959/x
3. Step 3: Cross multiply
   10,884.56x = 16,329.24 × 3,959
4. Step 4: Simplify right side
   10,884.56x = 64,647,461.16
5. Step 5: Solve for x
   x = 64,647,461.16/10,884.56
6. Step 6: Final answer
   x = 5,939.37