Finding the Fourth Proportional to 11,424.24, 17,136.18 and 3,526.56

Step by Step Solution

1. Step 1: Write the proportion equation
   11,424.24 : 17,136.18 = 3,526.56 : x
2. Step 2: Convert to fraction form
   11,424.24/17,136.18 = 3,526.56/x
3. Step 3: Cross multiply
   11,424.24x = 17,136.18 × 3,526.56
4. Step 4: Simplify right side
   11,424.24x = 60,431,766.94
5. Step 5: Solve for x
   x = 60,431,766.94/11,424.24
6. Step 6: Final answer
   x = 5,289.78