Finding the Fourth Proportional to 2,111.92, 3,168.21 and 942.33

Step by Step Solution

1. Step 1: Write the proportion equation
   2,111.92 : 3,168.21 = 942.33 : x
2. Step 2: Convert to fraction form
   2,111.92/3,168.21 = 942.33/x
3. Step 3: Cross multiply
   2,111.92x = 3,168.21 × 942.33
4. Step 4: Simplify right side
   2,111.92x = 2,985,499.33
5. Step 5: Solve for x
   x = 2,985,499.33/2,111.92
6. Step 6: Final answer
   x = 1,413.64