Finding the Fourth Proportional to 3,679.94, 5,520.83 and 1,082.87

Step by Step Solution

1. Step 1: Write the proportion equation
   3,679.94 : 5,520.83 = 1,082.87 : x
2. Step 2: Convert to fraction form
   3,679.94/5,520.83 = 1,082.87/x
3. Step 3: Cross multiply
   3,679.94x = 5,520.83 × 1,082.87
4. Step 4: Simplify right side
   3,679.94x = 5,978,308.16
5. Step 5: Solve for x
   x = 5,978,308.16/3,679.94
6. Step 6: Final answer
   x = 1,624.57