Finding the Fourth Proportional to 3,380.42, 4,668.20 and 3,196.34

Step by Step Solution

1. Step 1: Write the proportion equation
   3,380.42 : 4,668.20 = 3,196.34 : x
2. Step 2: Convert to fraction form
   3,380.42/4,668.20 = 3,196.34/x
3. Step 3: Cross multiply
   3,380.42x = 4,668.20 × 3,196.34
4. Step 4: Simplify right side
   3,380.42x = 14,921,154.39
5. Step 5: Solve for x
   x = 14,921,154.39/3,380.42
6. Step 6: Final answer
   x = 4,413.99