Finding the Fourth Proportional to 4,105.95, 6,146.20 and 3,319.39

Step by Step Solution

1. Step 1: Write the proportion equation
   4,105.95 : 6,146.20 = 3,319.39 : x
2. Step 2: Convert to fraction form
   4,105.95/6,146.20 = 3,319.39/x
3. Step 3: Cross multiply
   4,105.95x = 6,146.20 × 3,319.39
4. Step 4: Simplify right side
   4,105.95x = 20,401,611.15
5. Step 5: Solve for x
   x = 20,401,611.15/4,105.95
6. Step 6: Final answer
   x = 4,968.79