Finding the Fourth Proportional to 2,447.34, 3,672.24 and 986.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,447.34 : 3,672.24 = 986.52 : x
2. Step 2: Convert to fraction form
   2,447.34/3,672.24 = 986.52/x
3. Step 3: Cross multiply
   2,447.34x = 3,672.24 × 986.52
4. Step 4: Simplify right side
   2,447.34x = 3,622,738.20
5. Step 5: Solve for x
   x = 3,622,738.20/2,447.34
6. Step 6: Final answer
   x = 1,480.28