Finding the Fourth Proportional to 3,589.02, 5,383.50 and 956.78

Step by Step Solution

1. Step 1: Write the proportion equation
   3,589.02 : 5,383.50 = 956.78 : x
2. Step 2: Convert to fraction form
   3,589.02/5,383.50 = 956.78/x
3. Step 3: Cross multiply
   3,589.02x = 5,383.50 × 956.78
4. Step 4: Simplify right side
   3,589.02x = 5,150,825.13
5. Step 5: Solve for x
   x = 5,150,825.13/3,589.02
6. Step 6: Final answer
   x = 1,435.16