Finding the Fourth Proportional to 10,016.72, 13,822.96 and 5,540.56

Step by Step Solution

1. Step 1: Write the proportion equation
   10,016.72 : 13,822.96 = 5,540.56 : x
2. Step 2: Convert to fraction form
   10,016.72/13,822.96 = 5,540.56/x
3. Step 3: Cross multiply
   10,016.72x = 13,822.96 × 5,540.56
4. Step 4: Simplify right side
   10,016.72x = 76,586,939.26
5. Step 5: Solve for x
   x = 76,586,939.26/10,016.72
6. Step 6: Final answer
   x = 7,645.91