Finding the Fourth Proportional to 2,488.29, 3,433.89 and 1,369.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,488.29 : 3,433.89 = 1,369.28 : x
2. Step 2: Convert to fraction form
   2,488.29/3,433.89 = 1,369.28/x
3. Step 3: Cross multiply
   2,488.29x = 3,433.89 × 1,369.28
4. Step 4: Simplify right side
   2,488.29x = 4,701,974.49
5. Step 5: Solve for x
   x = 4,701,974.49/2,488.29
6. Step 6: Final answer
   x = 1,889.64