Finding the Fourth Proportional to 1,980.38, 2,732.91 and 1,096.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,980.38 : 2,732.91 = 1,096.25 : x
2. Step 2: Convert to fraction form
   1,980.38/2,732.91 = 1,096.25/x
3. Step 3: Cross multiply
   1,980.38x = 2,732.91 × 1,096.25
4. Step 4: Simplify right side
   1,980.38x = 2,995,952.59
5. Step 5: Solve for x
   x = 2,995,952.59/1,980.38
6. Step 6: Final answer
   x = 1,512.82