Finding the Fourth Proportional to 4,818.48, 6,650.61 and 3,136.96

Step by Step Solution

1. Step 1: Write the proportion equation
   4,818.48 : 6,650.61 = 3,136.96 : x
2. Step 2: Convert to fraction form
   4,818.48/6,650.61 = 3,136.96/x
3. Step 3: Cross multiply
   4,818.48x = 6,650.61 × 3,136.96
4. Step 4: Simplify right side
   4,818.48x = 20,862,656.69
5. Step 5: Solve for x
   x = 20,862,656.69/4,818.48
6. Step 6: Final answer
   x = 4,329.72