Finding the Fourth Proportional to 5,196.65, 7,179.21 and 3,408.37

Step by Step Solution

1. Step 1: Write the proportion equation
   5,196.65 : 7,179.21 = 3,408.37 : x
2. Step 2: Convert to fraction form
   5,196.65/7,179.21 = 3,408.37/x
3. Step 3: Cross multiply
   5,196.65x = 7,179.21 × 3,408.37
4. Step 4: Simplify right side
   5,196.65x = 24,469,386.04
5. Step 5: Solve for x
   x = 24,469,386.04/5,196.65
6. Step 6: Final answer
   x = 4,708.69