Finding the Fourth Proportional to 1,984.55, 2,738.61 and 1,100.39

Step by Step Solution

1. Step 1: Write the proportion equation
   1,984.55 : 2,738.61 = 1,100.39 : x
2. Step 2: Convert to fraction form
   1,984.55/2,738.61 = 1,100.39/x
3. Step 3: Cross multiply
   1,984.55x = 2,738.61 × 1,100.39
4. Step 4: Simplify right side
   1,984.55x = 3,013,525.36
5. Step 5: Solve for x
   x = 3,013,525.36/1,984.55
6. Step 6: Final answer
   x = 1,518.50