Finding the Fourth Proportional to 2,986.89, 4,119.82 and 2,427.36

Step by Step Solution

1. Step 1: Write the proportion equation
   2,986.89 : 4,119.82 = 2,427.36 : x
2. Step 2: Convert to fraction form
   2,986.89/4,119.82 = 2,427.36/x
3. Step 3: Cross multiply
   2,986.89x = 4,119.82 × 2,427.36
4. Step 4: Simplify right side
   2,986.89x = 10,000,286.28
5. Step 5: Solve for x
   x = 10,000,286.28/2,986.89
6. Step 6: Final answer
   x = 3,348.06