Finding the Fourth Proportional to 1,452.52, 2,004.78 and 986.68

Step by Step Solution

1. Step 1: Write the proportion equation
   1,452.52 : 2,004.78 = 986.68 : x
2. Step 2: Convert to fraction form
   1,452.52/2,004.78 = 986.68/x
3. Step 3: Cross multiply
   1,452.52x = 2,004.78 × 986.68
4. Step 4: Simplify right side
   1,452.52x = 1,978,076.33
5. Step 5: Solve for x
   x = 1,978,076.33/1,452.52
6. Step 6: Final answer
   x = 1,361.82