Finding the Fourth Proportional to 9,078.99, 12,530.37 and 5,544.24

Step by Step Solution

1. Step 1: Write the proportion equation
   9,078.99 : 12,530.37 = 5,544.24 : x
2. Step 2: Convert to fraction form
   9,078.99/12,530.37 = 5,544.24/x
3. Step 3: Cross multiply
   9,078.99x = 12,530.37 × 5,544.24
4. Step 4: Simplify right side
   9,078.99x = 69,471,378.57
5. Step 5: Solve for x
   x = 69,471,378.57/9,078.99
6. Step 6: Final answer
   x = 7,651.88