Finding the Fourth Proportional to 1,423.48, 1,964.52 and 833.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,423.48 : 1,964.52 = 833.89 : x
2. Step 2: Convert to fraction form
   1,423.48/1,964.52 = 833.89/x
3. Step 3: Cross multiply
   1,423.48x = 1,964.52 × 833.89
4. Step 4: Simplify right side
   1,423.48x = 1,638,193.58
5. Step 5: Solve for x
   x = 1,638,193.58/1,423.48
6. Step 6: Final answer
   x = 1,150.84