Finding the Fourth Proportional to 3,300.72, 4,951.82 and 1,109.39

Step by Step Solution

1. Step 1: Write the proportion equation
   3,300.72 : 4,951.82 = 1,109.39 : x
2. Step 2: Convert to fraction form
   3,300.72/4,951.82 = 1,109.39/x
3. Step 3: Cross multiply
   3,300.72x = 4,951.82 × 1,109.39
4. Step 4: Simplify right side
   3,300.72x = 5,493,469.28
5. Step 5: Solve for x
   x = 5,493,469.28/3,300.72
6. Step 6: Final answer
   x = 1,664.32