Finding the Fourth Proportional to 1,980.54, 2,733.20 and 1,096.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,980.54 : 2,733.20 = 1,096.42 : x
2. Step 2: Convert to fraction form
   1,980.54/2,733.20 = 1,096.42/x
3. Step 3: Cross multiply
   1,980.54x = 2,733.20 × 1,096.42
4. Step 4: Simplify right side
   1,980.54x = 2,996,735.14
5. Step 5: Solve for x
   x = 2,996,735.14/1,980.54
6. Step 6: Final answer
   x = 1,513.09