Finding the Fourth Proportional to 2,508.89, 3,763.46 and 842.33

Step by Step Solution

1. Step 1: Write the proportion equation
   2,508.89 : 3,763.46 = 842.33 : x
2. Step 2: Convert to fraction form
   2,508.89/3,763.46 = 842.33/x
3. Step 3: Cross multiply
   2,508.89x = 3,763.46 × 842.33
4. Step 4: Simplify right side
   2,508.89x = 3,170,086.78
5. Step 5: Solve for x
   x = 3,170,086.78/2,508.89
6. Step 6: Final answer
   x = 1,263.54