Finding the Fourth Proportional to 1,984.65, 2,738.61 and 1,100.43

Step by Step Solution

1. Step 1: Write the proportion equation
   1,984.65 : 2,738.61 = 1,100.43 : x
2. Step 2: Convert to fraction form
   1,984.65/2,738.61 = 1,100.43/x
3. Step 3: Cross multiply
   1,984.65x = 2,738.61 × 1,100.43
4. Step 4: Simplify right side
   1,984.65x = 3,013,648.60
5. Step 5: Solve for x
   x = 3,013,648.60/1,984.65
6. Step 6: Final answer
   x = 1,518.48