Finding the Fourth Proportional to 2,955.65, 4,433.55 and 1,106.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,955.65 : 4,433.55 = 1,106.42 : x
2. Step 2: Convert to fraction form
   2,955.65/4,433.55 = 1,106.42/x
3. Step 3: Cross multiply
   2,955.65x = 4,433.55 × 1,106.42
4. Step 4: Simplify right side
   2,955.65x = 4,905,362.86
5. Step 5: Solve for x
   x = 4,905,362.86/2,955.65
6. Step 6: Final answer
   x = 1,659.66