Finding the Fourth Proportional to 2,131.89, 3,195.94 and 834.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,131.89 : 3,195.94 = 834.27 : x
2. Step 2: Convert to fraction form
   2,131.89/3,195.94 = 834.27/x
3. Step 3: Cross multiply
   2,131.89x = 3,195.94 × 834.27
4. Step 4: Simplify right side
   2,131.89x = 2,666,276.86
5. Step 5: Solve for x
   x = 2,666,276.86/2,131.89
6. Step 6: Final answer
   x = 1,250.66