Finding the Fourth Proportional to 2,488.82, 3,434.37 and 1,369.58

Step by Step Solution

1. Step 1: Write the proportion equation
   2,488.82 : 3,434.37 = 1,369.58 : x
2. Step 2: Convert to fraction form
   2,488.82/3,434.37 = 1,369.58/x
3. Step 3: Cross multiply
   2,488.82x = 3,434.37 × 1,369.58
4. Step 4: Simplify right side
   2,488.82x = 4,703,644.46
5. Step 5: Solve for x
   x = 4,703,644.46/2,488.82
6. Step 6: Final answer
   x = 1,889.91