Finding the Fourth Proportional to 2,275.25, 3,413.95 and 1,042.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,275.25 : 3,413.95 = 1,042.02 : x
2. Step 2: Convert to fraction form
   2,275.25/3,413.95 = 1,042.02/x
3. Step 3: Cross multiply
   2,275.25x = 3,413.95 × 1,042.02
4. Step 4: Simplify right side
   2,275.25x = 3,557,401.57
5. Step 5: Solve for x
   x = 3,557,401.57/2,275.25
6. Step 6: Final answer
   x = 1,563.52