Finding the Fourth Proportional to 16,872.08, 25,311.04 and 5,776.16

Step by Step Solution

1. Step 1: Write the proportion equation
   16,872.08 : 25,311.04 = 5,776.16 : x
2. Step 2: Convert to fraction form
   16,872.08/25,311.04 = 5,776.16/x
3. Step 3: Cross multiply
   16,872.08x = 25,311.04 × 5,776.16
4. Step 4: Simplify right side
   16,872.08x = 146,200,616.81
5. Step 5: Solve for x
   x = 146,200,616.81/16,872.08
6. Step 6: Final answer
   x = 8,665.24