Finding the Fourth Proportional to 2,863.73, 4,294.23 and 1,109.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,863.73 : 4,294.23 = 1,109.55 : x
2. Step 2: Convert to fraction form
   2,863.73/4,294.23 = 1,109.55/x
3. Step 3: Cross multiply
   2,863.73x = 4,294.23 × 1,109.55
4. Step 4: Simplify right side
   2,863.73x = 4,764,662.90
5. Step 5: Solve for x
   x = 4,764,662.90/2,863.73
6. Step 6: Final answer
   x = 1,663.80