Finding the Fourth Proportional to 2,111.82, 2,913.21 and 1,413.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,111.82 : 2,913.21 = 1,413.06 : x
2. Step 2: Convert to fraction form
   2,111.82/2,913.21 = 1,413.06/x
3. Step 3: Cross multiply
   2,111.82x = 2,913.21 × 1,413.06
4. Step 4: Simplify right side
   2,111.82x = 4,116,540.52
5. Step 5: Solve for x
   x = 4,116,540.52/2,111.82
6. Step 6: Final answer
   x = 1,949.29