Finding the Fourth Proportional to 2,075.06, 2,863.60 and 1,143.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,075.06 : 2,863.60 = 1,143.56 : x
2. Step 2: Convert to fraction form
   2,075.06/2,863.60 = 1,143.56/x
3. Step 3: Cross multiply
   2,075.06x = 2,863.60 × 1,143.56
4. Step 4: Simplify right side
   2,075.06x = 3,274,702.72
5. Step 5: Solve for x
   x = 3,274,702.72/2,075.06
6. Step 6: Final answer
   x = 1,578.12