Finding the Fourth Proportional to 9,960.71, 13,745.77 and 5,484.48

Step by Step Solution

1. Step 1: Write the proportion equation
   9,960.71 : 13,745.77 = 5,484.48 : x
2. Step 2: Convert to fraction form
   9,960.71/13,745.77 = 5,484.48/x
3. Step 3: Cross multiply
   9,960.71x = 13,745.77 × 5,484.48
4. Step 4: Simplify right side
   9,960.71x = 75,388,335.39
5. Step 5: Solve for x
   x = 75,388,335.39/9,960.71
6. Step 6: Final answer
   x = 7,568.57