Finding the Fourth Proportional to 2,732.54, 3,770.69 and 1,553.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,732.54 : 3,770.69 = 1,553.31 : x
2. Step 2: Convert to fraction form
   2,732.54/3,770.69 = 1,553.31/x
3. Step 3: Cross multiply
   2,732.54x = 3,770.69 × 1,553.31
4. Step 4: Simplify right side
   2,732.54x = 5,857,042.72
5. Step 5: Solve for x
   x = 5,857,042.72/2,732.54
6. Step 6: Final answer
   x = 2,143.45