Finding the Fourth Proportional to 1,984.75, 2,739.13 and 1,100.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,984.75 : 2,739.13 = 1,100.72 : x
2. Step 2: Convert to fraction form
   1,984.75/2,739.13 = 1,100.72/x
3. Step 3: Cross multiply
   1,984.75x = 2,739.13 × 1,100.72
4. Step 4: Simplify right side
   1,984.75x = 3,015,019.27
5. Step 5: Solve for x
   x = 3,015,019.27/1,984.75
6. Step 6: Final answer
   x = 1,519.09