Finding the Fourth Proportional to 3,300.72, 4,951.12 and 1,109.46

Step by Step Solution

1. Step 1: Write the proportion equation
   3,300.72 : 4,951.12 = 1,109.46 : x
2. Step 2: Convert to fraction form
   3,300.72/4,951.12 = 1,109.46/x
3. Step 3: Cross multiply
   3,300.72x = 4,951.12 × 1,109.46
4. Step 4: Simplify right side
   3,300.72x = 5,493,069.60
5. Step 5: Solve for x
   x = 5,493,069.60/3,300.72
6. Step 6: Final answer
   x = 1,664.21