Finding the Fourth Proportional to 2,467.46, 3,698.78 and 986.24

Step by Step Solution

1. Step 1: Write the proportion equation
   2,467.46 : 3,698.78 = 986.24 : x
2. Step 2: Convert to fraction form
   2,467.46/3,698.78 = 986.24/x
3. Step 3: Cross multiply
   2,467.46x = 3,698.78 × 986.24
4. Step 4: Simplify right side
   2,467.46x = 3,647,889.10
5. Step 5: Solve for x
   x = 3,647,889.10/2,467.46
6. Step 6: Final answer
   x = 1,478.40