Finding the Fourth Proportional to 3,300.74, 4,951.18 and 1,109.49

Step by Step Solution

1. Step 1: Write the proportion equation
   3,300.74 : 4,951.18 = 1,109.49 : x
2. Step 2: Convert to fraction form
   3,300.74/4,951.18 = 1,109.49/x
3. Step 3: Cross multiply
   3,300.74x = 4,951.18 × 1,109.49
4. Step 4: Simplify right side
   3,300.74x = 5,493,259.94
5. Step 5: Solve for x
   x = 5,493,259.94/3,300.74
6. Step 6: Final answer
   x = 1,664.25