Finding the Fourth Proportional to 1,192.72, 1,647.34 and 954.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,192.72 : 1,647.34 = 954.27 : x
2. Step 2: Convert to fraction form
   1,192.72/1,647.34 = 954.27/x
3. Step 3: Cross multiply
   1,192.72x = 1,647.34 × 954.27
4. Step 4: Simplify right side
   1,192.72x = 1,572,007.14
5. Step 5: Solve for x
   x = 1,572,007.14/1,192.72
6. Step 6: Final answer
   x = 1,318.01