Finding the Fourth Proportional to 2,732.13, 3,770.28 and 1,553.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,732.13 : 3,770.28 = 1,553.31 : x
2. Step 2: Convert to fraction form
   2,732.13/3,770.28 = 1,553.31/x
3. Step 3: Cross multiply
   2,732.13x = 3,770.28 × 1,553.31
4. Step 4: Simplify right side
   2,732.13x = 5,856,413.63
5. Step 5: Solve for x
   x = 5,856,413.63/2,732.13
6. Step 6: Final answer
   x = 2,143.53