Finding the Fourth Proportional to 2,051.53, 2,831.15 and 1,167.36

Step by Step Solution

1. Step 1: Write the proportion equation
   2,051.53 : 2,831.15 = 1,167.36 : x
2. Step 2: Convert to fraction form
   2,051.53/2,831.15 = 1,167.36/x
3. Step 3: Cross multiply
   2,051.53x = 2,831.15 × 1,167.36
4. Step 4: Simplify right side
   2,051.53x = 3,304,979.49
5. Step 5: Solve for x
   x = 3,304,979.49/2,051.53
6. Step 6: Final answer
   x = 1,610.98