Finding the Fourth Proportional to 2,403.27, 3,602.69 and 842.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,403.27 : 3,602.69 = 842.42 : x
2. Step 2: Convert to fraction form
   2,403.27/3,602.69 = 842.42/x
3. Step 3: Cross multiply
   2,403.27x = 3,602.69 × 842.42
4. Step 4: Simplify right side
   2,403.27x = 3,034,970.54
5. Step 5: Solve for x
   x = 3,034,970.54/2,403.27
6. Step 6: Final answer
   x = 1,262.85