Finding the Fourth Proportional to 2,380.56, 3,286.08 and 1,682.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,380.56 : 3,286.08 = 1,682.88 : x
2. Step 2: Convert to fraction form
   2,380.56/3,286.08 = 1,682.88/x
3. Step 3: Cross multiply
   2,380.56x = 3,286.08 × 1,682.88
4. Step 4: Simplify right side
   2,380.56x = 5,530,078.31
5. Step 5: Solve for x
   x = 5,530,078.31/2,380.56
6. Step 6: Final answer
   x = 2,323.02