Finding the Fourth Proportional to 2,643.48, 3,964.51 and 794.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,643.48 : 3,964.51 = 794.18 : x
2. Step 2: Convert to fraction form
   2,643.48/3,964.51 = 794.18/x
3. Step 3: Cross multiply
   2,643.48x = 3,964.51 × 794.18
4. Step 4: Simplify right side
   2,643.48x = 3,148,534.55
5. Step 5: Solve for x
   x = 3,148,534.55/2,643.48
6. Step 6: Final answer
   x = 1,191.06