Finding the Fourth Proportional to 3,300.33, 4,950.40 and 1,109.18

Step by Step Solution

1. Step 1: Write the proportion equation
   3,300.33 : 4,950.40 = 1,109.18 : x
2. Step 2: Convert to fraction form
   3,300.33/4,950.40 = 1,109.18/x
3. Step 3: Cross multiply
   3,300.33x = 4,950.40 × 1,109.18
4. Step 4: Simplify right side
   3,300.33x = 5,490,884.67
5. Step 5: Solve for x
   x = 5,490,884.67/3,300.33
6. Step 6: Final answer
   x = 1,663.74