Finding the Fourth Proportional to 3,411.52, 5,118.72 and 1,682.08

Step by Step Solution

1. Step 1: Write the proportion equation
   3,411.52 : 5,118.72 = 1,682.08 : x
2. Step 2: Convert to fraction form
   3,411.52/5,118.72 = 1,682.08/x
3. Step 3: Cross multiply
   3,411.52x = 5,118.72 × 1,682.08
4. Step 4: Simplify right side
   3,411.52x = 8,610,096.54
5. Step 5: Solve for x
   x = 8,610,096.54/3,411.52
6. Step 6: Final answer
   x = 2,523.83