Finding the Fourth Proportional to 2,764.91, 4,144.61 and 1,120.41

Step by Step Solution

1. Step 1: Write the proportion equation
   2,764.91 : 4,144.61 = 1,120.41 : x
2. Step 2: Convert to fraction form
   2,764.91/4,144.61 = 1,120.41/x
3. Step 3: Cross multiply
   2,764.91x = 4,144.61 × 1,120.41
4. Step 4: Simplify right side
   2,764.91x = 4,643,665.29
5. Step 5: Solve for x
   x = 4,643,665.29/2,764.91
6. Step 6: Final answer
   x = 1,679.50