Finding the Fourth Proportional to 3,114.56, 4,672.56 and 923.96

Step by Step Solution

1. Step 1: Write the proportion equation
   3,114.56 : 4,672.56 = 923.96 : x
2. Step 2: Convert to fraction form
   3,114.56/4,672.56 = 923.96/x
3. Step 3: Cross multiply
   3,114.56x = 4,672.56 × 923.96
4. Step 4: Simplify right side
   3,114.56x = 4,317,258.54
5. Step 5: Solve for x
   x = 4,317,258.54/3,114.56
6. Step 6: Final answer
   x = 1,386.15