Finding the Fourth Proportional to 1,992.36, 2,749.43 and 1,108.05

Step by Step Solution

1. Step 1: Write the proportion equation
   1,992.36 : 2,749.43 = 1,108.05 : x
2. Step 2: Convert to fraction form
   1,992.36/2,749.43 = 1,108.05/x
3. Step 3: Cross multiply
   1,992.36x = 2,749.43 × 1,108.05
4. Step 4: Simplify right side
   1,992.36x = 3,046,500.37
5. Step 5: Solve for x
   x = 3,046,500.37/1,992.36
6. Step 6: Final answer
   x = 1,529.09