Finding the Fourth Proportional to 2,442.49, 3,662.82 and 981.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,442.49 : 3,662.82 = 981.15 : x
2. Step 2: Convert to fraction form
   2,442.49/3,662.82 = 981.15/x
3. Step 3: Cross multiply
   2,442.49x = 3,662.82 × 981.15
4. Step 4: Simplify right side
   2,442.49x = 3,593,762.11
5. Step 5: Solve for x
   x = 3,593,762.11/2,442.49
6. Step 6: Final answer
   x = 1,471.35