Finding the Fourth Proportional to 2,051.59, 2,831.16 and 1,167.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,051.59 : 2,831.16 = 1,167.37 : x
2. Step 2: Convert to fraction form
   2,051.59/2,831.16 = 1,167.37/x
3. Step 3: Cross multiply
   2,051.59x = 2,831.16 × 1,167.37
4. Step 4: Simplify right side
   2,051.59x = 3,305,012.49
5. Step 5: Solve for x
   x = 3,305,012.49/2,051.59
6. Step 6: Final answer
   x = 1,610.95