Finding the Fourth Proportional to 2,956.69, 4,435.13 and 1,107.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,956.69 : 4,435.13 = 1,107.46 : x
2. Step 2: Convert to fraction form
   2,956.69/4,435.13 = 1,107.46/x
3. Step 3: Cross multiply
   2,956.69x = 4,435.13 × 1,107.46
4. Step 4: Simplify right side
   2,956.69x = 4,911,706.89
5. Step 5: Solve for x
   x = 4,911,706.89/2,956.69
6. Step 6: Final answer
   x = 1,661.22