Finding the Fourth Proportional to 16,331.56, 24,481.76 and 5,231.08

Step by Step Solution

1. Step 1: Write the proportion equation
   16,331.56 : 24,481.76 = 5,231.08 : x
2. Step 2: Convert to fraction form
   16,331.56/24,481.76 = 5,231.08/x
3. Step 3: Cross multiply
   16,331.56x = 24,481.76 × 5,231.08
4. Step 4: Simplify right side
   16,331.56x = 128,066,045.10
5. Step 5: Solve for x
   x = 128,066,045.10/16,331.56
6. Step 6: Final answer
   x = 7,841.63