Finding the Fourth Proportional to 2,724.02, 4,086.47 and 1,080.57

Step by Step Solution

1. Step 1: Write the proportion equation
   2,724.02 : 4,086.47 = 1,080.57 : x
2. Step 2: Convert to fraction form
   2,724.02/4,086.47 = 1,080.57/x
3. Step 3: Cross multiply
   2,724.02x = 4,086.47 × 1,080.57
4. Step 4: Simplify right side
   2,724.02x = 4,415,719.59
5. Step 5: Solve for x
   x = 4,415,719.59/2,724.02
6. Step 6: Final answer
   x = 1,621.03