Finding the Fourth Proportional to 1,454.56, 2,007.46 and 865.09

Step by Step Solution

1. Step 1: Write the proportion equation
   1,454.56 : 2,007.46 = 865.09 : x
2. Step 2: Convert to fraction form
   1,454.56/2,007.46 = 865.09/x
3. Step 3: Cross multiply
   1,454.56x = 2,007.46 × 865.09
4. Step 4: Simplify right side
   1,454.56x = 1,736,626.39
5. Step 5: Solve for x
   x = 1,736,626.39/1,454.56
6. Step 6: Final answer
   x = 1,193.92