Finding the Fourth Proportional to 2,146.16, 3,219.72 and 848.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,146.16 : 3,219.72 = 848.96 : x
2. Step 2: Convert to fraction form
   2,146.16/3,219.72 = 848.96/x
3. Step 3: Cross multiply
   2,146.16x = 3,219.72 × 848.96
4. Step 4: Simplify right side
   2,146.16x = 2,733,413.49
5. Step 5: Solve for x
   x = 2,733,413.49/2,146.16
6. Step 6: Final answer
   x = 1,273.63