Finding the Fourth Proportional to 2,488.20, 3,433.82 and 1,369.23

Step by Step Solution

1. Step 1: Write the proportion equation
   2,488.20 : 3,433.82 = 1,369.23 : x
2. Step 2: Convert to fraction form
   2,488.20/3,433.82 = 1,369.23/x
3. Step 3: Cross multiply
   2,488.20x = 3,433.82 × 1,369.23
4. Step 4: Simplify right side
   2,488.20x = 4,701,682.51
5. Step 5: Solve for x
   x = 4,701,682.51/2,488.20
6. Step 6: Final answer
   x = 1,889.59