Finding the Fourth Proportional to 3,162.02, 4,355.34 and 2,408.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,162.02 : 4,355.34 = 2,408.72 : x
2. Step 2: Convert to fraction form
   3,162.02/4,355.34 = 2,408.72/x
3. Step 3: Cross multiply
   3,162.02x = 4,355.34 × 2,408.72
4. Step 4: Simplify right side
   3,162.02x = 10,490,794.56
5. Step 5: Solve for x
   x = 10,490,794.56/3,162.02
6. Step 6: Final answer
   x = 3,317.75