Finding the Fourth Proportional to 1,980.53, 2,732.84 and 1,096.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,980.53 : 2,732.84 = 1,096.15 : x
2. Step 2: Convert to fraction form
   1,980.53/2,732.84 = 1,096.15/x
3. Step 3: Cross multiply
   1,980.53x = 2,732.84 × 1,096.15
4. Step 4: Simplify right side
   1,980.53x = 2,995,597.09
5. Step 5: Solve for x
   x = 2,995,597.09/1,980.53
6. Step 6: Final answer
   x = 1,512.53