Finding the Fourth Proportional to 2,563.78, 3,538.09 and 1,444.73

Step by Step Solution

1. Step 1: Write the proportion equation
   2,563.78 : 3,538.09 = 1,444.73 : x
2. Step 2: Convert to fraction form
   2,563.78/3,538.09 = 1,444.73/x
3. Step 3: Cross multiply
   2,563.78x = 3,538.09 × 1,444.73
4. Step 4: Simplify right side
   2,563.78x = 5,111,584.77
5. Step 5: Solve for x
   x = 5,111,584.77/2,563.78
6. Step 6: Final answer
   x = 1,993.77