Finding the Fourth Proportional to 10,016.87, 13,822.79 and 5,540.54

Step by Step Solution

1. Step 1: Write the proportion equation
   10,016.87 : 13,822.79 = 5,540.54 : x
2. Step 2: Convert to fraction form
   10,016.87/13,822.79 = 5,540.54/x
3. Step 3: Cross multiply
   10,016.87x = 13,822.79 × 5,540.54
4. Step 4: Simplify right side
   10,016.87x = 76,585,624.09
5. Step 5: Solve for x
   x = 76,585,624.09/10,016.87
6. Step 6: Final answer
   x = 7,645.67