Finding the Fourth Proportional to 1,682.79, 2,523.01 and 708.09

Step by Step Solution

1. Step 1: Write the proportion equation
   1,682.79 : 2,523.01 = 708.09 : x
2. Step 2: Convert to fraction form
   1,682.79/2,523.01 = 708.09/x
3. Step 3: Cross multiply
   1,682.79x = 2,523.01 × 708.09
4. Step 4: Simplify right side
   1,682.79x = 1,786,518.15
5. Step 5: Solve for x
   x = 1,786,518.15/1,682.79
6. Step 6: Final answer
   x = 1,061.64