Finding the Fourth Proportional to 1,686.32, 2,327.06 and 940.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,686.32 : 2,327.06 = 940.25 : x
2. Step 2: Convert to fraction form
   1,686.32/2,327.06 = 940.25/x
3. Step 3: Cross multiply
   1,686.32x = 2,327.06 × 940.25
4. Step 4: Simplify right side
   1,686.32x = 2,188,001.83
5. Step 5: Solve for x
   x = 2,188,001.83/1,686.32
6. Step 6: Final answer
   x = 1,297.50