Finding the Fourth Proportional to 3,300.68, 4,951.62 and 1,109.42

Step by Step Solution

1. Step 1: Write the proportion equation
   3,300.68 : 4,951.62 = 1,109.42 : x
2. Step 2: Convert to fraction form
   3,300.68/4,951.62 = 1,109.42/x
3. Step 3: Cross multiply
   3,300.68x = 4,951.62 × 1,109.42
4. Step 4: Simplify right side
   3,300.68x = 5,493,426.26
5. Step 5: Solve for x
   x = 5,493,426.26/3,300.68
6. Step 6: Final answer
   x = 1,664.33