Finding the Fourth Proportional to 3,297.72, 4,947.32 and 1,106.39

Step by Step Solution

1. Step 1: Write the proportion equation
   3,297.72 : 4,947.32 = 1,106.39 : x
2. Step 2: Convert to fraction form
   3,297.72/4,947.32 = 1,106.39/x
3. Step 3: Cross multiply
   3,297.72x = 4,947.32 × 1,106.39
4. Step 4: Simplify right side
   3,297.72x = 5,473,680.51
5. Step 5: Solve for x
   x = 5,473,680.51/3,297.72
6. Step 6: Final answer
   x = 1,659.84