Finding the Fourth Proportional to 1,982.27, 2,735.56 and 1,098.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,982.27 : 2,735.56 = 1,098.12 : x
2. Step 2: Convert to fraction form
   1,982.27/2,735.56 = 1,098.12/x
3. Step 3: Cross multiply
   1,982.27x = 2,735.56 × 1,098.12
4. Step 4: Simplify right side
   1,982.27x = 3,003,978.60
5. Step 5: Solve for x
   x = 3,003,978.60/1,982.27
6. Step 6: Final answer
   x = 1,515.42