Finding the Fourth Proportional to 9,960.32, 13,745.56 and 5,484.28

Step by Step Solution

1. Step 1: Write the proportion equation
   9,960.32 : 13,745.56 = 5,484.28 : x
2. Step 2: Convert to fraction form
   9,960.32/13,745.56 = 5,484.28/x
3. Step 3: Cross multiply
   9,960.32x = 13,745.56 × 5,484.28
4. Step 4: Simplify right side
   9,960.32x = 75,384,499.80
5. Step 5: Solve for x
   x = 75,384,499.80/9,960.32
6. Step 6: Final answer
   x = 7,568.48