Finding the Fourth Proportional to 3,603.63, 5,402.22 and 1,413.89

Step by Step Solution

1. Step 1: Write the proportion equation
   3,603.63 : 5,402.22 = 1,413.89 : x
2. Step 2: Convert to fraction form
   3,603.63/5,402.22 = 1,413.89/x
3. Step 3: Cross multiply
   3,603.63x = 5,402.22 × 1,413.89
4. Step 4: Simplify right side
   3,603.63x = 7,638,117.82
5. Step 5: Solve for x
   x = 7,638,117.82/3,603.63
6. Step 6: Final answer
   x = 2,119.56