Finding the Fourth Proportional to 1,982.91, 2,736.38 and 1,098.71

Step by Step Solution

1. Step 1: Write the proportion equation
   1,982.91 : 2,736.38 = 1,098.71 : x
2. Step 2: Convert to fraction form
   1,982.91/2,736.38 = 1,098.71/x
3. Step 3: Cross multiply
   1,982.91x = 2,736.38 × 1,098.71
4. Step 4: Simplify right side
   1,982.91x = 3,006,488.07
5. Step 5: Solve for x
   x = 3,006,488.07/1,982.91
6. Step 6: Final answer
   x = 1,516.20