Finding the Fourth Proportional to 2,724.34, 4,086.42 and 1,185.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,724.34 : 4,086.42 = 1,185.34 : x
2. Step 2: Convert to fraction form
   2,724.34/4,086.42 = 1,185.34/x
3. Step 3: Cross multiply
   2,724.34x = 4,086.42 × 1,185.34
4. Step 4: Simplify right side
   2,724.34x = 4,843,797.08
5. Step 5: Solve for x
   x = 4,843,797.08/2,724.34
6. Step 6: Final answer
   x = 1,777.97