Finding the Fourth Proportional to 1,682.88, 2,524.86 and 708.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,682.88 : 2,524.86 = 708.72 : x
2. Step 2: Convert to fraction form
   1,682.88/2,524.86 = 708.72/x
3. Step 3: Cross multiply
   1,682.88x = 2,524.86 × 708.72
4. Step 4: Simplify right side
   1,682.88x = 1,789,418.78
5. Step 5: Solve for x
   x = 1,789,418.78/1,682.88
6. Step 6: Final answer
   x = 1,063.31