Finding the Fourth Proportional to 2,051.82, 2,831.51 and 1,167.45

Step by Step Solution

1. Step 1: Write the proportion equation
   2,051.82 : 2,831.51 = 1,167.45 : x
2. Step 2: Convert to fraction form
   2,051.82/2,831.51 = 1,167.45/x
3. Step 3: Cross multiply
   2,051.82x = 2,831.51 × 1,167.45
4. Step 4: Simplify right side
   2,051.82x = 3,305,640.51
5. Step 5: Solve for x
   x = 3,305,640.51/2,051.82
6. Step 6: Final answer
   x = 1,611.08