Finding the Fourth Proportional to 3,300.96, 4,951.84 and 1,109.20

Step by Step Solution

1. Step 1: Write the proportion equation
   3,300.96 : 4,951.84 = 1,109.20 : x
2. Step 2: Convert to fraction form
   3,300.96/4,951.84 = 1,109.20/x
3. Step 3: Cross multiply
   3,300.96x = 4,951.84 × 1,109.20
4. Step 4: Simplify right side
   3,300.96x = 5,492,580.93
5. Step 5: Solve for x
   x = 5,492,580.93/3,300.96
6. Step 6: Final answer
   x = 1,663.93