Finding the Fourth Proportional to 3,277.75, 4,916.72 and 1,086.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,277.75 : 4,916.72 = 1,086.50 : x
2. Step 2: Convert to fraction form
   3,277.75/4,916.72 = 1,086.50/x
3. Step 3: Cross multiply
   3,277.75x = 4,916.72 × 1,086.50
4. Step 4: Simplify right side
   3,277.75x = 5,342,016.28
5. Step 5: Solve for x
   x = 5,342,016.28/3,277.75
6. Step 6: Final answer
   x = 1,629.78