Finding the Fourth Proportional to 2,442.36, 3,662.31 and 980.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,442.36 : 3,662.31 = 980.30 : x
2. Step 2: Convert to fraction form
   2,442.36/3,662.31 = 980.30/x
3. Step 3: Cross multiply
   2,442.36x = 3,662.31 × 980.30
4. Step 4: Simplify right side
   2,442.36x = 3,590,162.49
5. Step 5: Solve for x
   x = 3,590,162.49/2,442.36
6. Step 6: Final answer
   x = 1,469.96