Finding the Fourth Proportional to 1,422.74, 1,963.32 and 833.33

Step by Step Solution

1. Step 1: Write the proportion equation
   1,422.74 : 1,963.32 = 833.33 : x
2. Step 2: Convert to fraction form
   1,422.74/1,963.32 = 833.33/x
3. Step 3: Cross multiply
   1,422.74x = 1,963.32 × 833.33
4. Step 4: Simplify right side
   1,422.74x = 1,636,093.46
5. Step 5: Solve for x
   x = 1,636,093.46/1,422.74
6. Step 6: Final answer
   x = 1,149.96