Finding the Fourth Proportional to 3,277.70, 4,915.83 and 1,086.59

Step by Step Solution

1. Step 1: Write the proportion equation
   3,277.70 : 4,915.83 = 1,086.59 : x
2. Step 2: Convert to fraction form
   3,277.70/4,915.83 = 1,086.59/x
3. Step 3: Cross multiply
   3,277.70x = 4,915.83 × 1,086.59
4. Step 4: Simplify right side
   3,277.70x = 5,341,491.72
5. Step 5: Solve for x
   x = 5,341,491.72/3,277.70
6. Step 6: Final answer
   x = 1,629.65