Finding the Fourth Proportional to 1,984.40, 2,738.56 and 1,100.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,984.40 : 2,738.56 = 1,100.18 : x
2. Step 2: Convert to fraction form
   1,984.40/2,738.56 = 1,100.18/x
3. Step 3: Cross multiply
   1,984.40x = 2,738.56 × 1,100.18
4. Step 4: Simplify right side
   1,984.40x = 3,012,908.94
5. Step 5: Solve for x
   x = 3,012,908.94/1,984.40
6. Step 6: Final answer
   x = 1,518.30