Finding the Fourth Proportional to 8,144.69, 11,226.56 and 5,487.48

Step by Step Solution

1. Step 1: Write the proportion equation
   8,144.69 : 11,226.56 = 5,487.48 : x
2. Step 2: Convert to fraction form
   8,144.69/11,226.56 = 5,487.48/x
3. Step 3: Cross multiply
   8,144.69x = 11,226.56 × 5,487.48
4. Step 4: Simplify right side
   8,144.69x = 61,605,496.03
5. Step 5: Solve for x
   x = 61,605,496.03/8,144.69
6. Step 6: Final answer
   x = 7,563.89