Finding the Fourth Proportional to 4,639.96, 6,404.34 and 3,150.37

Step by Step Solution

1. Step 1: Write the proportion equation
   4,639.96 : 6,404.34 = 3,150.37 : x
2. Step 2: Convert to fraction form
   4,639.96/6,404.34 = 3,150.37/x
3. Step 3: Cross multiply
   4,639.96x = 6,404.34 × 3,150.37
4. Step 4: Simplify right side
   4,639.96x = 20,176,040.61
5. Step 5: Solve for x
   x = 20,176,040.61/4,639.96
6. Step 6: Final answer
   x = 4,348.32