Finding the Fourth Proportional to 10,020.25, 13,826.39 and 5,771.49

Step by Step Solution

1. Step 1: Write the proportion equation
   10,020.25 : 13,826.39 = 5,771.49 : x
2. Step 2: Convert to fraction form
   10,020.25/13,826.39 = 5,771.49/x
3. Step 3: Cross multiply
   10,020.25x = 13,826.39 × 5,771.49
4. Step 4: Simplify right side
   10,020.25x = 79,798,871.62
5. Step 5: Solve for x
   x = 79,798,871.62/10,020.25
6. Step 6: Final answer
   x = 7,963.76