Finding the Fourth Proportional to 16,765.24, 25,145.16 and 5,671.72

Step by Step Solution

1. Step 1: Write the proportion equation
   16,765.24 : 25,145.16 = 5,671.72 : x
2. Step 2: Convert to fraction form
   16,765.24/25,145.16 = 5,671.72/x
3. Step 3: Cross multiply
   16,765.24x = 25,145.16 × 5,671.72
4. Step 4: Simplify right side
   16,765.24x = 142,616,306.88
5. Step 5: Solve for x
   x = 142,616,306.88/16,765.24
6. Step 6: Final answer
   x = 8,506.67