Finding the Fourth Proportional to 1,233.93, 1,702.33 and 814.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,233.93 : 1,702.33 = 814.50 : x
2. Step 2: Convert to fraction form
   1,233.93/1,702.33 = 814.50/x
3. Step 3: Cross multiply
   1,233.93x = 1,702.33 × 814.50
4. Step 4: Simplify right side
   1,233.93x = 1,386,539.27
5. Step 5: Solve for x
   x = 1,386,539.27/1,233.93
6. Step 6: Final answer
   x = 1,123.68