Finding the Fourth Proportional to 2,052.57, 2,831.84 and 1,168.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,052.57 : 2,831.84 = 1,168.15 : x
2. Step 2: Convert to fraction form
   2,052.57/2,831.84 = 1,168.15/x
3. Step 3: Cross multiply
   2,052.57x = 2,831.84 × 1,168.15
4. Step 4: Simplify right side
   2,052.57x = 3,308,000.98
5. Step 5: Solve for x
   x = 3,308,000.98/2,052.57
6. Step 6: Final answer
   x = 1,611.64