Finding the Fourth Proportional to 2,724.83, 4,084.78 and 1,081

Step by Step Solution

1. Step 1: Write the proportion equation
   2,724.83 : 4,084.78 = 1,081 : x
2. Step 2: Convert to fraction form
   2,724.83/4,084.78 = 1,081/x
3. Step 3: Cross multiply
   2,724.83x = 4,084.78 × 1,081
4. Step 4: Simplify right side
   2,724.83x = 4,415,647.18
5. Step 5: Solve for x
   x = 4,415,647.18/2,724.83
6. Step 6: Final answer
   x = 1,620.52