Finding the Fourth Proportional to 2,051.71, 2,831.28 and 1,167.73

Step by Step Solution

1. Step 1: Write the proportion equation
   2,051.71 : 2,831.28 = 1,167.73 : x
2. Step 2: Convert to fraction form
   2,051.71/2,831.28 = 1,167.73/x
3. Step 3: Cross multiply
   2,051.71x = 2,831.28 × 1,167.73
4. Step 4: Simplify right side
   2,051.71x = 3,306,170.59
5. Step 5: Solve for x
   x = 3,306,170.59/2,051.71
6. Step 6: Final answer
   x = 1,611.42