Finding the Fourth Proportional to 4,648.48, 6,410.61 and 3,158.62

Step by Step Solution

1. Step 1: Write the proportion equation
   4,648.48 : 6,410.61 = 3,158.62 : x
2. Step 2: Convert to fraction form
   4,648.48/6,410.61 = 3,158.62/x
3. Step 3: Cross multiply
   4,648.48x = 6,410.61 × 3,158.62
4. Step 4: Simplify right side
   4,648.48x = 20,248,648.91
5. Step 5: Solve for x
   x = 20,248,648.91/4,648.48
6. Step 6: Final answer
   x = 4,355.98