Finding the Fourth Proportional to 1,982.12, 2,735.50 and 1,098.09

Step by Step Solution

1. Step 1: Write the proportion equation
   1,982.12 : 2,735.50 = 1,098.09 : x
2. Step 2: Convert to fraction form
   1,982.12/2,735.50 = 1,098.09/x
3. Step 3: Cross multiply
   1,982.12x = 2,735.50 × 1,098.09
4. Step 4: Simplify right side
   1,982.12x = 3,003,825.20
5. Step 5: Solve for x
   x = 3,003,825.20/1,982.12
6. Step 6: Final answer
   x = 1,515.46