Finding the Fourth Proportional to 2,488.23, 3,433.98 and 1,369.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,488.23 : 3,433.98 = 1,369.34 : x
2. Step 2: Convert to fraction form
   2,488.23/3,433.98 = 1,369.34/x
3. Step 3: Cross multiply
   2,488.23x = 3,433.98 × 1,369.34
4. Step 4: Simplify right side
   2,488.23x = 4,702,287.02
5. Step 5: Solve for x
   x = 4,702,287.02/2,488.23
6. Step 6: Final answer
   x = 1,889.81