Finding the Fourth Proportional to 3,300.81, 4,947.73 and 1,219.48

Step by Step Solution

1. Step 1: Write the proportion equation
   3,300.81 : 4,947.73 = 1,219.48 : x
2. Step 2: Convert to fraction form
   3,300.81/4,947.73 = 1,219.48/x
3. Step 3: Cross multiply
   3,300.81x = 4,947.73 × 1,219.48
4. Step 4: Simplify right side
   3,300.81x = 6,033,659.30
5. Step 5: Solve for x
   x = 6,033,659.30/3,300.81
6. Step 6: Final answer
   x = 1,827.93