Finding the Fourth Proportional to 3,298.56, 4,942.94 and 3,217.05

Step by Step Solution

1. Step 1: Write the proportion equation
   3,298.56 : 4,942.94 = 3,217.05 : x
2. Step 2: Convert to fraction form
   3,298.56/4,942.94 = 3,217.05/x
3. Step 3: Cross multiply
   3,298.56x = 4,942.94 × 3,217.05
4. Step 4: Simplify right side
   3,298.56x = 15,901,669.04
5. Step 5: Solve for x
   x = 15,901,669.04/3,298.56
6. Step 6: Final answer
   x = 4,820.79