Finding the Fourth Proportional to 2,413.47, 3,331.16 and 1,572.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,413.47 : 3,331.16 = 1,572.72 : x
2. Step 2: Convert to fraction form
   2,413.47/3,331.16 = 1,572.72/x
3. Step 3: Cross multiply
   2,413.47x = 3,331.16 × 1,572.72
4. Step 4: Simplify right side
   2,413.47x = 5,238,981.96
5. Step 5: Solve for x
   x = 5,238,981.96/2,413.47
6. Step 6: Final answer
   x = 2,170.73