Finding the Fourth Proportional to 2,075.75, 2,864.55 and 1,144.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,075.75 : 2,864.55 = 1,144.25 : x
2. Step 2: Convert to fraction form
   2,075.75/2,864.55 = 1,144.25/x
3. Step 3: Cross multiply
   2,075.75x = 2,864.55 × 1,144.25
4. Step 4: Simplify right side
   2,075.75x = 3,277,761.34
5. Step 5: Solve for x
   x = 3,277,761.34/2,075.75
6. Step 6: Final answer
   x = 1,579.07