Finding the Fourth Proportional to 1,654.89, 2,283.62 and 956.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,654.89 : 2,283.62 = 956.31 : x
2. Step 2: Convert to fraction form
   1,654.89/2,283.62 = 956.31/x
3. Step 3: Cross multiply
   1,654.89x = 2,283.62 × 956.31
4. Step 4: Simplify right side
   1,654.89x = 2,183,843.86
5. Step 5: Solve for x
   x = 2,183,843.86/1,654.89
6. Step 6: Final answer
   x = 1,319.63