Finding the Fourth Proportional to 2,488.59, 3,434.33 and 1,369.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,488.59 : 3,434.33 = 1,369.60 : x
2. Step 2: Convert to fraction form
   2,488.59/3,434.33 = 1,369.60/x
3. Step 3: Cross multiply
   2,488.59x = 3,434.33 × 1,369.60
4. Step 4: Simplify right side
   2,488.59x = 4,703,658.37
5. Step 5: Solve for x
   x = 4,703,658.37/2,488.59
6. Step 6: Final answer
   x = 1,890.09