Finding the Fourth Proportional to 1,938.27, 2,674.02 and 1,098.79

Step by Step Solution

1. Step 1: Write the proportion equation
   1,938.27 : 2,674.02 = 1,098.79 : x
2. Step 2: Convert to fraction form
   1,938.27/2,674.02 = 1,098.79/x
3. Step 3: Cross multiply
   1,938.27x = 2,674.02 × 1,098.79
4. Step 4: Simplify right side
   1,938.27x = 2,938,183.69
5. Step 5: Solve for x
   x = 2,938,183.69/1,938.27
6. Step 6: Final answer
   x = 1,515.88