Finding the Fourth Proportional to 3,317.40, 4,942.71 and 3,269.88

Step by Step Solution

1. Step 1: Write the proportion equation
   3,317.40 : 4,942.71 = 3,269.88 : x
2. Step 2: Convert to fraction form
   3,317.40/4,942.71 = 3,269.88/x
3. Step 3: Cross multiply
   3,317.40x = 4,942.71 × 3,269.88
4. Step 4: Simplify right side
   3,317.40x = 16,162,068.57
5. Step 5: Solve for x
   x = 16,162,068.57/3,317.40
6. Step 6: Final answer
   x = 4,871.91