Finding the Fourth Proportional to 2,646.83, 3,969.32 and 797.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,646.83 : 3,969.32 = 797.47 : x
2. Step 2: Convert to fraction form
   2,646.83/3,969.32 = 797.47/x
3. Step 3: Cross multiply
   2,646.83x = 3,969.32 × 797.47
4. Step 4: Simplify right side
   2,646.83x = 3,165,399.71
5. Step 5: Solve for x
   x = 3,165,399.71/2,646.83
6. Step 6: Final answer
   x = 1,195.92