Finding the Fourth Proportional to 1,982.89, 2,736.32 and 1,098.68

Step by Step Solution

1. Step 1: Write the proportion equation
   1,982.89 : 2,736.32 = 1,098.68 : x
2. Step 2: Convert to fraction form
   1,982.89/2,736.32 = 1,098.68/x
3. Step 3: Cross multiply
   1,982.89x = 2,736.32 × 1,098.68
4. Step 4: Simplify right side
   1,982.89x = 3,006,320.88
5. Step 5: Solve for x
   x = 3,006,320.88/1,982.89
6. Step 6: Final answer
   x = 1,516.13