Finding the Fourth Proportional to 2,747.89, 4,120.17 and 1,080.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,747.89 : 4,120.17 = 1,080.02 : x
2. Step 2: Convert to fraction form
   2,747.89/4,120.17 = 1,080.02/x
3. Step 3: Cross multiply
   2,747.89x = 4,120.17 × 1,080.02
4. Step 4: Simplify right side
   2,747.89x = 4,449,849.08
5. Step 5: Solve for x
   x = 4,449,849.08/2,747.89
6. Step 6: Final answer
   x = 1,619.37