Finding the Fourth Proportional to 2,576, 3,554.88 and 1,644.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,576 : 3,554.88 = 1,644.56 : x
2. Step 2: Convert to fraction form
   2,576/3,554.88 = 1,644.56/x
3. Step 3: Cross multiply
   2,576x = 3,554.88 × 1,644.56
4. Step 4: Simplify right side
   2,576x = 5,846,213.45
5. Step 5: Solve for x
   x = 5,846,213.45/2,576
6. Step 6: Final answer
   x = 2,269.49