Finding the Fourth Proportional to 2,732.27, 3,770.53 and 1,553.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,732.27 : 3,770.53 = 1,553.40 : x
2. Step 2: Convert to fraction form
   2,732.27/3,770.53 = 1,553.40/x
3. Step 3: Cross multiply
   2,732.27x = 3,770.53 × 1,553.40
4. Step 4: Simplify right side
   2,732.27x = 5,857,137.42
5. Step 5: Solve for x
   x = 5,857,137.42/2,732.27
6. Step 6: Final answer
   x = 2,143.69