Finding the Fourth Proportional to 1,982.68, 2,736.12 and 1,098.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,982.68 : 2,736.12 = 1,098.50 : x
2. Step 2: Convert to fraction form
   1,982.68/2,736.12 = 1,098.50/x
3. Step 3: Cross multiply
   1,982.68x = 2,736.12 × 1,098.50
4. Step 4: Simplify right side
   1,982.68x = 3,005,627.82
5. Step 5: Solve for x
   x = 3,005,627.82/1,982.68
6. Step 6: Final answer
   x = 1,515.94