Finding the Fourth Proportional to 1,431.16, 1,974.82 and 833.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,431.16 : 1,974.82 = 833.82 : x
2. Step 2: Convert to fraction form
   1,431.16/1,974.82 = 833.82/x
3. Step 3: Cross multiply
   1,431.16x = 1,974.82 × 833.82
4. Step 4: Simplify right side
   1,431.16x = 1,646,644.41
5. Step 5: Solve for x
   x = 1,646,644.41/1,431.16
6. Step 6: Final answer
   x = 1,150.57