Finding the Fourth Proportional to 1,422.63, 1,963.17 and 833.49

Step by Step Solution

1. Step 1: Write the proportion equation
   1,422.63 : 1,963.17 = 833.49 : x
2. Step 2: Convert to fraction form
   1,422.63/1,963.17 = 833.49/x
3. Step 3: Cross multiply
   1,422.63x = 1,963.17 × 833.49
4. Step 4: Simplify right side
   1,422.63x = 1,636,282.56
5. Step 5: Solve for x
   x = 1,636,282.56/1,422.63
6. Step 6: Final answer
   x = 1,150.18