Finding the Fourth Proportional to 2,402.52, 3,603.78 and 942.09

Step by Step Solution

1. Step 1: Write the proportion equation
   2,402.52 : 3,603.78 = 942.09 : x
2. Step 2: Convert to fraction form
   2,402.52/3,603.78 = 942.09/x
3. Step 3: Cross multiply
   2,402.52x = 3,603.78 × 942.09
4. Step 4: Simplify right side
   2,402.52x = 3,395,085.10
5. Step 5: Solve for x
   x = 3,395,085.10/2,402.52
6. Step 6: Final answer
   x = 1,413.14