Finding the Fourth Proportional to 2,638.98, 3,954.69 and 1,341.36

Step by Step Solution

1. Step 1: Write the proportion equation
   2,638.98 : 3,954.69 = 1,341.36 : x
2. Step 2: Convert to fraction form
   2,638.98/3,954.69 = 1,341.36/x
3. Step 3: Cross multiply
   2,638.98x = 3,954.69 × 1,341.36
4. Step 4: Simplify right side
   2,638.98x = 5,304,662.98
5. Step 5: Solve for x
   x = 5,304,662.98/2,638.98
6. Step 6: Final answer
   x = 2,010.12