Finding the Fourth Proportional to 2,157.27, 3,227.70 and 1,333.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,157.27 : 3,227.70 = 1,333.50 : x
2. Step 2: Convert to fraction form
   2,157.27/3,227.70 = 1,333.50/x
3. Step 3: Cross multiply
   2,157.27x = 3,227.70 × 1,333.50
4. Step 4: Simplify right side
   2,157.27x = 4,304,137.95
5. Step 5: Solve for x
   x = 4,304,137.95/2,157.27
6. Step 6: Final answer
   x = 1,995.18