Finding the Fourth Proportional to 1,628.83, 2,247.71 and 956.54

Step by Step Solution

1. Step 1: Write the proportion equation
   1,628.83 : 2,247.71 = 956.54 : x
2. Step 2: Convert to fraction form
   1,628.83/2,247.71 = 956.54/x
3. Step 3: Cross multiply
   1,628.83x = 2,247.71 × 956.54
4. Step 4: Simplify right side
   1,628.83x = 2,150,025.36
5. Step 5: Solve for x
   x = 2,150,025.36/1,628.83
6. Step 6: Final answer
   x = 1,319.98