Finding the Fourth Proportional to 1,984.43, 2,738.61 and 1,100.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,984.43 : 2,738.61 = 1,100.25 : x
2. Step 2: Convert to fraction form
   1,984.43/2,738.61 = 1,100.25/x
3. Step 3: Cross multiply
   1,984.43x = 2,738.61 × 1,100.25
4. Step 4: Simplify right side
   1,984.43x = 3,013,155.65
5. Step 5: Solve for x
   x = 3,013,155.65/1,984.43
6. Step 6: Final answer
   x = 1,518.40