Finding the Fourth Proportional to 1,446.74, 2,176.27 and 1,311.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,446.74 : 2,176.27 = 1,311.42 : x
2. Step 2: Convert to fraction form
   1,446.74/2,176.27 = 1,311.42/x
3. Step 3: Cross multiply
   1,446.74x = 2,176.27 × 1,311.42
4. Step 4: Simplify right side
   1,446.74x = 2,854,007.28
5. Step 5: Solve for x
   x = 2,854,007.28/1,446.74
6. Step 6: Final answer
   x = 1,972.71