Finding the Fourth Proportional to 10,040.48, 13,855.49 and 5,791.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,040.48 : 13,855.49 = 5,791.72 : x
2. Step 2: Convert to fraction form
   10,040.48/13,855.49 = 5,791.72/x
3. Step 3: Cross multiply
   10,040.48x = 13,855.49 × 5,791.72
4. Step 4: Simplify right side
   10,040.48x = 80,247,118.54
5. Step 5: Solve for x
   x = 80,247,118.54/10,040.48
6. Step 6: Final answer
   x = 7,992.36