Finding the Fourth Proportional to 2,131.64, 3,197.94 and 833.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,131.64 : 3,197.94 = 833.48 : x
2. Step 2: Convert to fraction form
   2,131.64/3,197.94 = 833.48/x
3. Step 3: Cross multiply
   2,131.64x = 3,197.94 × 833.48
4. Step 4: Simplify right side
   2,131.64x = 2,665,419.03
5. Step 5: Solve for x
   x = 2,665,419.03/2,131.64
6. Step 6: Final answer
   x = 1,250.41