Finding the Fourth Proportional to 2,488.52, 3,434.17 and 1,369.57

Step by Step Solution

1. Step 1: Write the proportion equation
   2,488.52 : 3,434.17 = 1,369.57 : x
2. Step 2: Convert to fraction form
   2,488.52/3,434.17 = 1,369.57/x
3. Step 3: Cross multiply
   2,488.52x = 3,434.17 × 1,369.57
4. Step 4: Simplify right side
   2,488.52x = 4,703,336.21
5. Step 5: Solve for x
   x = 4,703,336.21/2,488.52
6. Step 6: Final answer
   x = 1,890.01