Finding the Fourth Proportional to 5,722.40, 8,540.69 and 5,348.73

Step by Step Solution

1. Step 1: Write the proportion equation
   5,722.40 : 8,540.69 = 5,348.73 : x
2. Step 2: Convert to fraction form
   5,722.40/8,540.69 = 5,348.73/x
3. Step 3: Cross multiply
   5,722.40x = 8,540.69 × 5,348.73
4. Step 4: Simplify right side
   5,722.40x = 45,681,810.10
5. Step 5: Solve for x
   x = 45,681,810.10/5,722.40
6. Step 6: Final answer
   x = 7,982.99