Finding the Fourth Proportional to 16,171.98, 24,250.28 and 5,640.72

Step by Step Solution

1. Step 1: Write the proportion equation
   16,171.98 : 24,250.28 = 5,640.72 : x
2. Step 2: Convert to fraction form
   16,171.98/24,250.28 = 5,640.72/x
3. Step 3: Cross multiply
   16,171.98x = 24,250.28 × 5,640.72
4. Step 4: Simplify right side
   16,171.98x = 136,789,030.24
5. Step 5: Solve for x
   x = 136,789,030.24/16,171.98
6. Step 6: Final answer
   x = 8,458.40