Finding the Fourth Proportional to 10,017.05, 13,823.46 and 5,540.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,017.05 : 13,823.46 = 5,540.72 : x
2. Step 2: Convert to fraction form
   10,017.05/13,823.46 = 5,540.72/x
3. Step 3: Cross multiply
   10,017.05x = 13,823.46 × 5,540.72
4. Step 4: Simplify right side
   10,017.05x = 76,591,852.17
5. Step 5: Solve for x
   x = 76,591,852.17/10,017.05
6. Step 6: Final answer
   x = 7,646.15