Finding the Fourth Proportional to 2,051.50, 2,831.17 and 1,167.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,051.50 : 2,831.17 = 1,167.46 : x
2. Step 2: Convert to fraction form
   2,051.50/2,831.17 = 1,167.46/x
3. Step 3: Cross multiply
   2,051.50x = 2,831.17 × 1,167.46
4. Step 4: Simplify right side
   2,051.50x = 3,305,277.73
5. Step 5: Solve for x
   x = 3,305,277.73/2,051.50
6. Step 6: Final answer
   x = 1,611.15