Finding the Fourth Proportional to 2,645.33, 3,968.58 and 796.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,645.33 : 3,968.58 = 796.47 : x
2. Step 2: Convert to fraction form
   2,645.33/3,968.58 = 796.47/x
3. Step 3: Cross multiply
   2,645.33x = 3,968.58 × 796.47
4. Step 4: Simplify right side
   2,645.33x = 3,160,854.91
5. Step 5: Solve for x
   x = 3,160,854.91/2,645.33
6. Step 6: Final answer
   x = 1,194.88