Finding the Fourth Proportional to 1,982.71, 2,736.20 and 1,098.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,982.71 : 2,736.20 = 1,098.59 : x
2. Step 2: Convert to fraction form
   1,982.71/2,736.20 = 1,098.59/x
3. Step 3: Cross multiply
   1,982.71x = 2,736.20 × 1,098.59
4. Step 4: Simplify right side
   1,982.71x = 3,005,956.47
5. Step 5: Solve for x
   x = 3,005,956.47/1,982.71
6. Step 6: Final answer
   x = 1,516.09