Finding the Fourth Proportional to 2,724.17, 4,086.24 and 776.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,724.17 : 4,086.24 = 776.37 : x
2. Step 2: Convert to fraction form
   2,724.17/4,086.24 = 776.37/x
3. Step 3: Cross multiply
   2,724.17x = 4,086.24 × 776.37
4. Step 4: Simplify right side
   2,724.17x = 3,172,434.15
5. Step 5: Solve for x
   x = 3,172,434.15/2,724.17
6. Step 6: Final answer
   x = 1,164.55