Finding the Fourth Proportional to 1,453.69, 2,005.34 and 980.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,453.69 : 2,005.34 = 980.98 : x
2. Step 2: Convert to fraction form
   1,453.69/2,005.34 = 980.98/x
3. Step 3: Cross multiply
   1,453.69x = 2,005.34 × 980.98
4. Step 4: Simplify right side
   1,453.69x = 1,967,183.50
5. Step 5: Solve for x
   x = 1,967,183.50/1,453.69
6. Step 6: Final answer
   x = 1,353.24