Finding the Fourth Proportional to 5,839.78, 8,760.82 and 2,142.04

Step by Step Solution

1. Step 1: Write the proportion equation
   5,839.78 : 8,760.82 = 2,142.04 : x
2. Step 2: Convert to fraction form
   5,839.78/8,760.82 = 2,142.04/x
3. Step 3: Cross multiply
   5,839.78x = 8,760.82 × 2,142.04
4. Step 4: Simplify right side
   5,839.78x = 18,766,016.04
5. Step 5: Solve for x
   x = 18,766,016.04/5,839.78
6. Step 6: Final answer
   x = 3,213.48