Finding the Fourth Proportional to 1,982.82, 2,736.31 and 1,098.61

Step by Step Solution

1. Step 1: Write the proportion equation
   1,982.82 : 2,736.31 = 1,098.61 : x
2. Step 2: Convert to fraction form
   1,982.82/2,736.31 = 1,098.61/x
3. Step 3: Cross multiply
   1,982.82x = 2,736.31 × 1,098.61
4. Step 4: Simplify right side
   1,982.82x = 3,006,137.53
5. Step 5: Solve for x
   x = 3,006,137.53/1,982.82
6. Step 6: Final answer
   x = 1,516.09