Finding the Fourth Proportional to 2,488.05, 3,433.71 and 1,369.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,488.05 : 3,433.71 = 1,369.20 : x
2. Step 2: Convert to fraction form
   2,488.05/3,433.71 = 1,369.20/x
3. Step 3: Cross multiply
   2,488.05x = 3,433.71 × 1,369.20
4. Step 4: Simplify right side
   2,488.05x = 4,701,435.73
5. Step 5: Solve for x
   x = 4,701,435.73/2,488.05
6. Step 6: Final answer
   x = 1,889.61