Finding the Fourth Proportional to 3,571.02, 5,352.42 and 2,399.60

Step by Step Solution

1. Step 1: Write the proportion equation
   3,571.02 : 5,352.42 = 2,399.60 : x
2. Step 2: Convert to fraction form
   3,571.02/5,352.42 = 2,399.60/x
3. Step 3: Cross multiply
   3,571.02x = 5,352.42 × 2,399.60
4. Step 4: Simplify right side
   3,571.02x = 12,843,667.03
5. Step 5: Solve for x
   x = 12,843,667.03/3,571.02
6. Step 6: Final answer
   x = 3,596.64