Finding the Fourth Proportional to 2,763.91, 4,144.65 and 1,120.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,763.91 : 4,144.65 = 1,120.02 : x
2. Step 2: Convert to fraction form
   2,763.91/4,144.65 = 1,120.02/x
3. Step 3: Cross multiply
   2,763.91x = 4,144.65 × 1,120.02
4. Step 4: Simplify right side
   2,763.91x = 4,642,090.89
5. Step 5: Solve for x
   x = 4,642,090.89/2,763.91
6. Step 6: Final answer
   x = 1,679.54