Finding the Fourth Proportional to 3,821.33, 5,273.25 and 2,142.92

Step by Step Solution

1. Step 1: Write the proportion equation
   3,821.33 : 5,273.25 = 2,142.92 : x
2. Step 2: Convert to fraction form
   3,821.33/5,273.25 = 2,142.92/x
3. Step 3: Cross multiply
   3,821.33x = 5,273.25 × 2,142.92
4. Step 4: Simplify right side
   3,821.33x = 11,300,152.89
5. Step 5: Solve for x
   x = 11,300,152.89/3,821.33
6. Step 6: Final answer
   x = 2,957.13