Finding the Fourth Proportional to 3,269.56, 4,498.82 and 3,191.80

Step by Step Solution

1. Step 1: Write the proportion equation
   3,269.56 : 4,498.82 = 3,191.80 : x
2. Step 2: Convert to fraction form
   3,269.56/4,498.82 = 3,191.80/x
3. Step 3: Cross multiply
   3,269.56x = 4,498.82 × 3,191.80
4. Step 4: Simplify right side
   3,269.56x = 14,359,333.68
5. Step 5: Solve for x
   x = 14,359,333.68/3,269.56
6. Step 6: Final answer
   x = 4,391.82