Finding the Fourth Proportional to 1,980.30, 2,732.64 and 1,096.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,980.30 : 2,732.64 = 1,096.10 : x
2. Step 2: Convert to fraction form
   1,980.30/2,732.64 = 1,096.10/x
3. Step 3: Cross multiply
   1,980.30x = 2,732.64 × 1,096.10
4. Step 4: Simplify right side
   1,980.30x = 2,995,233.04
5. Step 5: Solve for x
   x = 2,995,233.04/1,980.30
6. Step 6: Final answer
   x = 1,512.51