Finding the Fourth Proportional to 1,989.05, 2,744.85 and 1,104.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,989.05 : 2,744.85 = 1,104.89 : x
2. Step 2: Convert to fraction form
   1,989.05/2,744.85 = 1,104.89/x
3. Step 3: Cross multiply
   1,989.05x = 2,744.85 × 1,104.89
4. Step 4: Simplify right side
   1,989.05x = 3,032,757.32
5. Step 5: Solve for x
   x = 3,032,757.32/1,989.05
6. Step 6: Final answer
   x = 1,524.73