Finding the Fourth Proportional to 2,643.32, 3,963.82 and 794.07

Step by Step Solution

1. Step 1: Write the proportion equation
   2,643.32 : 3,963.82 = 794.07 : x
2. Step 2: Convert to fraction form
   2,643.32/3,963.82 = 794.07/x
3. Step 3: Cross multiply
   2,643.32x = 3,963.82 × 794.07
4. Step 4: Simplify right side
   2,643.32x = 3,147,550.55
5. Step 5: Solve for x
   x = 3,147,550.55/2,643.32
6. Step 6: Final answer
   x = 1,190.76