Finding the Fourth Proportional to 2,131.26, 3,195.86 and 796.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,131.26 : 3,195.86 = 796.12 : x
2. Step 2: Convert to fraction form
   2,131.26/3,195.86 = 796.12/x
3. Step 3: Cross multiply
   2,131.26x = 3,195.86 × 796.12
4. Step 4: Simplify right side
   2,131.26x = 2,544,288.06
5. Step 5: Solve for x
   x = 2,544,288.06/2,131.26
6. Step 6: Final answer
   x = 1,193.80