Finding the Fourth Proportional to 1,472.85, 2,031.94 and 843.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,472.85 : 2,031.94 = 843.27 : x
2. Step 2: Convert to fraction form
   1,472.85/2,031.94 = 843.27/x
3. Step 3: Cross multiply
   1,472.85x = 2,031.94 × 843.27
4. Step 4: Simplify right side
   1,472.85x = 1,713,469.83
5. Step 5: Solve for x
   x = 1,713,469.83/1,472.85
6. Step 6: Final answer
   x = 1,163.37