Finding the Fourth Proportional to 3,949.56, 5,947.77 and 3,517.02

Step by Step Solution

1. Step 1: Write the proportion equation
   3,949.56 : 5,947.77 = 3,517.02 : x
2. Step 2: Convert to fraction form
   3,949.56/5,947.77 = 3,517.02/x
3. Step 3: Cross multiply
   3,949.56x = 5,947.77 × 3,517.02
4. Step 4: Simplify right side
   3,949.56x = 20,918,439.23
5. Step 5: Solve for x
   x = 20,918,439.23/3,949.56
6. Step 6: Final answer
   x = 5,296.40