Finding the Fourth Proportional to 3,559.59, 5,302.84 and 3,399.67

Step by Step Solution

1. Step 1: Write the proportion equation
   3,559.59 : 5,302.84 = 3,399.67 : x
2. Step 2: Convert to fraction form
   3,559.59/5,302.84 = 3,399.67/x
3. Step 3: Cross multiply
   3,559.59x = 5,302.84 × 3,399.67
4. Step 4: Simplify right side
   3,559.59x = 18,027,879.55
5. Step 5: Solve for x
   x = 18,027,879.55/3,559.59
6. Step 6: Final answer
   x = 5,064.59