Finding the Fourth Proportional to 9,525.69, 13,145.49 and 5,549.54

Step by Step Solution

1. Step 1: Write the proportion equation
   9,525.69 : 13,145.49 = 5,549.54 : x
2. Step 2: Convert to fraction form
   9,525.69/13,145.49 = 5,549.54/x
3. Step 3: Cross multiply
   9,525.69x = 13,145.49 × 5,549.54
4. Step 4: Simplify right side
   9,525.69x = 72,951,356.85
5. Step 5: Solve for x
   x = 72,951,356.85/9,525.69
6. Step 6: Final answer
   x = 7,658.38