Finding the Fourth Proportional to 2,732.45, 3,770.78 and 1,553.51

Step by Step Solution

1. Step 1: Write the proportion equation
   2,732.45 : 3,770.78 = 1,553.51 : x
2. Step 2: Convert to fraction form
   2,732.45/3,770.78 = 1,553.51/x
3. Step 3: Cross multiply
   2,732.45x = 3,770.78 × 1,553.51
4. Step 4: Simplify right side
   2,732.45x = 5,857,917.82
5. Step 5: Solve for x
   x = 5,857,917.82/2,732.45
6. Step 6: Final answer
   x = 2,143.84