Finding the Fourth Proportional to 1,992.55, 2,749.59 and 1,108.33

Step by Step Solution

1. Step 1: Write the proportion equation
   1,992.55 : 2,749.59 = 1,108.33 : x
2. Step 2: Convert to fraction form
   1,992.55/2,749.59 = 1,108.33/x
3. Step 3: Cross multiply
   1,992.55x = 2,749.59 × 1,108.33
4. Step 4: Simplify right side
   1,992.55x = 3,047,453.08
5. Step 5: Solve for x
   x = 3,047,453.08/1,992.55
6. Step 6: Final answer
   x = 1,529.42