Finding the Fourth Proportional to 2,763.48, 4,144.20 and 1,119.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,763.48 : 4,144.20 = 1,119.60 : x
2. Step 2: Convert to fraction form
   2,763.48/4,144.20 = 1,119.60/x
3. Step 3: Cross multiply
   2,763.48x = 4,144.20 × 1,119.60
4. Step 4: Simplify right side
   2,763.48x = 4,639,846.32
5. Step 5: Solve for x
   x = 4,639,846.32/2,763.48
6. Step 6: Final answer
   x = 1,678.99