Finding the Fourth Proportional to 2,131.95, 3,198.32 and 833.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,131.95 : 3,198.32 = 833.34 : x
2. Step 2: Convert to fraction form
   2,131.95/3,198.32 = 833.34/x
3. Step 3: Cross multiply
   2,131.95x = 3,198.32 × 833.34
4. Step 4: Simplify right side
   2,131.95x = 2,665,287.99
5. Step 5: Solve for x
   x = 2,665,287.99/2,131.95
6. Step 6: Final answer
   x = 1,250.16