Finding the Fourth Proportional to 2,403.26, 3,603.98 and 842.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,403.26 : 3,603.98 = 842.82 : x
2. Step 2: Convert to fraction form
   2,403.26/3,603.98 = 842.82/x
3. Step 3: Cross multiply
   2,403.26x = 3,603.98 × 842.82
4. Step 4: Simplify right side
   2,403.26x = 3,037,508.53
5. Step 5: Solve for x
   x = 3,037,508.53/2,403.26
6. Step 6: Final answer
   x = 1,263.91