Finding the Fourth Proportional to 1,656.43, 2,485.46 and 682.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,656.43 : 2,485.46 = 682.27 : x
2. Step 2: Convert to fraction form
   1,656.43/2,485.46 = 682.27/x
3. Step 3: Cross multiply
   1,656.43x = 2,485.46 × 682.27
4. Step 4: Simplify right side
   1,656.43x = 1,695,751.38
5. Step 5: Solve for x
   x = 1,695,751.38/1,656.43
6. Step 6: Final answer
   x = 1,023.74