Finding the Fourth Proportional to 2,645.45, 3,968.14 and 796.49

Step by Step Solution

1. Step 1: Write the proportion equation
   2,645.45 : 3,968.14 = 796.49 : x
2. Step 2: Convert to fraction form
   2,645.45/3,968.14 = 796.49/x
3. Step 3: Cross multiply
   2,645.45x = 3,968.14 × 796.49
4. Step 4: Simplify right side
   2,645.45x = 3,160,583.83
5. Step 5: Solve for x
   x = 3,160,583.83/2,645.45
6. Step 6: Final answer
   x = 1,194.72