Finding the Fourth Proportional to 2,645.27, 3,968.44 and 796.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,645.27 : 3,968.44 = 796.31 : x
2. Step 2: Convert to fraction form
   2,645.27/3,968.44 = 796.31/x
3. Step 3: Cross multiply
   2,645.27x = 3,968.44 × 796.31
4. Step 4: Simplify right side
   2,645.27x = 3,160,108.46
5. Step 5: Solve for x
   x = 3,160,108.46/2,645.27
6. Step 6: Final answer
   x = 1,194.63