Finding the Fourth Proportional to 1,067.76, 1,467.78 and 954.54

Step by Step Solution

1. Step 1: Write the proportion equation
   1,067.76 : 1,467.78 = 954.54 : x
2. Step 2: Convert to fraction form
   1,067.76/1,467.78 = 954.54/x
3. Step 3: Cross multiply
   1,067.76x = 1,467.78 × 954.54
4. Step 4: Simplify right side
   1,067.76x = 1,401,054.72
5. Step 5: Solve for x
   x = 1,401,054.72/1,067.76
6. Step 6: Final answer
   x = 1,312.14