Finding the Fourth Proportional to 3,298.16, 4,947.69 and 1,107.51

Step by Step Solution

1. Step 1: Write the proportion equation
   3,298.16 : 4,947.69 = 1,107.51 : x
2. Step 2: Convert to fraction form
   3,298.16/4,947.69 = 1,107.51/x
3. Step 3: Cross multiply
   3,298.16x = 4,947.69 × 1,107.51
4. Step 4: Simplify right side
   3,298.16x = 5,479,616.15
5. Step 5: Solve for x
   x = 5,479,616.15/3,298.16
6. Step 6: Final answer
   x = 1,661.42