Finding the Fourth Proportional to 2,646.24, 3,969.52 and 797.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,646.24 : 3,969.52 = 797.28 : x
2. Step 2: Convert to fraction form
   2,646.24/3,969.52 = 797.28/x
3. Step 3: Cross multiply
   2,646.24x = 3,969.52 × 797.28
4. Step 4: Simplify right side
   2,646.24x = 3,164,818.91
5. Step 5: Solve for x
   x = 3,164,818.91/2,646.24
6. Step 6: Final answer
   x = 1,195.97