Finding the Fourth Proportional to 2,075.75, 3,114.30 and 842.49

Step by Step Solution

1. Step 1: Write the proportion equation
   2,075.75 : 3,114.30 = 842.49 : x
2. Step 2: Convert to fraction form
   2,075.75/3,114.30 = 842.49/x
3. Step 3: Cross multiply
   2,075.75x = 3,114.30 × 842.49
4. Step 4: Simplify right side
   2,075.75x = 2,623,766.61
5. Step 5: Solve for x
   x = 2,623,766.61/2,075.75
6. Step 6: Final answer
   x = 1,264.01