Finding the Fourth Proportional to 1,628.72, 2,249.49 and 1,103.84

Step by Step Solution

1. Step 1: Write the proportion equation
   1,628.72 : 2,249.49 = 1,103.84 : x
2. Step 2: Convert to fraction form
   1,628.72/2,249.49 = 1,103.84/x
3. Step 3: Cross multiply
   1,628.72x = 2,249.49 × 1,103.84
4. Step 4: Simplify right side
   1,628.72x = 2,483,072.16
5. Step 5: Solve for x
   x = 2,483,072.16/1,628.72
6. Step 6: Final answer
   x = 1,524.56