Finding the Fourth Proportional to 2,732.11, 3,770.18 and 1,553.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,732.11 : 3,770.18 = 1,553.15 : x
2. Step 2: Convert to fraction form
   2,732.11/3,770.18 = 1,553.15/x
3. Step 3: Cross multiply
   2,732.11x = 3,770.18 × 1,553.15
4. Step 4: Simplify right side
   2,732.11x = 5,855,656.73
5. Step 5: Solve for x
   x = 5,855,656.73/2,732.11
6. Step 6: Final answer
   x = 2,143.27