Finding the Fourth Proportional to 2,727.23, 4,090.71 and 779.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,727.23 : 4,090.71 = 779.42 : x
2. Step 2: Convert to fraction form
   2,727.23/4,090.71 = 779.42/x
3. Step 3: Cross multiply
   2,727.23x = 4,090.71 × 779.42
4. Step 4: Simplify right side
   2,727.23x = 3,188,360.73
5. Step 5: Solve for x
   x = 3,188,360.73/2,727.23
6. Step 6: Final answer
   x = 1,169.09