Finding the Fourth Proportional to 3,505.30, 4,822.41 and 3,408.10

Step by Step Solution

1. Step 1: Write the proportion equation
   3,505.30 : 4,822.41 = 3,408.10 : x
2. Step 2: Convert to fraction form
   3,505.30/4,822.41 = 3,408.10/x
3. Step 3: Cross multiply
   3,505.30x = 4,822.41 × 3,408.10
4. Step 4: Simplify right side
   3,505.30x = 16,435,255.52
5. Step 5: Solve for x
   x = 16,435,255.52/3,505.30
6. Step 6: Final answer
   x = 4,688.69