Finding the Fourth Proportional to 1,452.49, 2,003.78 and 980.24

Step by Step Solution

1. Step 1: Write the proportion equation
   1,452.49 : 2,003.78 = 980.24 : x
2. Step 2: Convert to fraction form
   1,452.49/2,003.78 = 980.24/x
3. Step 3: Cross multiply
   1,452.49x = 2,003.78 × 980.24
4. Step 4: Simplify right side
   1,452.49x = 1,964,185.25
5. Step 5: Solve for x
   x = 1,964,185.25/1,452.49
6. Step 6: Final answer
   x = 1,352.29