Finding the Fourth Proportional to 1,659.40, 2,288.46 and 1,327.84

Step by Step Solution

1. Step 1: Write the proportion equation
   1,659.40 : 2,288.46 = 1,327.84 : x
2. Step 2: Convert to fraction form
   1,659.40/2,288.46 = 1,327.84/x
3. Step 3: Cross multiply
   1,659.40x = 2,288.46 × 1,327.84
4. Step 4: Simplify right side
   1,659.40x = 3,038,708.73
5. Step 5: Solve for x
   x = 3,038,708.73/1,659.40
6. Step 6: Final answer
   x = 1,831.21