Finding the Fourth Proportional to 10,929.12, 16,394.72 and 4,004.16

Step by Step Solution

1. Step 1: Write the proportion equation
   10,929.12 : 16,394.72 = 4,004.16 : x
2. Step 2: Convert to fraction form
   10,929.12/16,394.72 = 4,004.16/x
3. Step 3: Cross multiply
   10,929.12x = 16,394.72 × 4,004.16
4. Step 4: Simplify right side
   10,929.12x = 65,647,082.04
5. Step 5: Solve for x
   x = 65,647,082.04/10,929.12
6. Step 6: Final answer
   x = 6,006.62