Finding the Fourth Proportional to 1,982.45, 2,735.52 and 1,098.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,982.45 : 2,735.52 = 1,098.12 : x
2. Step 2: Convert to fraction form
   1,982.45/2,735.52 = 1,098.12/x
3. Step 3: Cross multiply
   1,982.45x = 2,735.52 × 1,098.12
4. Step 4: Simplify right side
   1,982.45x = 3,003,929.22
5. Step 5: Solve for x
   x = 3,003,929.22/1,982.45
6. Step 6: Final answer
   x = 1,515.26