Finding the Fourth Proportional to 1,686.35, 2,327.09 and 940.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,686.35 : 2,327.09 = 940.27 : x
2. Step 2: Convert to fraction form
   1,686.35/2,327.09 = 940.27/x
3. Step 3: Cross multiply
   1,686.35x = 2,327.09 × 940.27
4. Step 4: Simplify right side
   1,686.35x = 2,188,092.91
5. Step 5: Solve for x
   x = 2,188,092.91/1,686.35
6. Step 6: Final answer
   x = 1,297.53