Finding the Fourth Proportional to 2,268.69, 3,401.91 and 1,331.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,268.69 : 3,401.91 = 1,331.88 : x
2. Step 2: Convert to fraction form
   2,268.69/3,401.91 = 1,331.88/x
3. Step 3: Cross multiply
   2,268.69x = 3,401.91 × 1,331.88
4. Step 4: Simplify right side
   2,268.69x = 4,530,935.89
5. Step 5: Solve for x
   x = 4,530,935.89/2,268.69
6. Step 6: Final answer
   x = 1,997.16