Finding the Fourth Proportional to 3,592.79, 5,389.49 and 960.69

Step by Step Solution

1. Step 1: Write the proportion equation
   3,592.79 : 5,389.49 = 960.69 : x
2. Step 2: Convert to fraction form
   3,592.79/5,389.49 = 960.69/x
3. Step 3: Cross multiply
   3,592.79x = 5,389.49 × 960.69
4. Step 4: Simplify right side
   3,592.79x = 5,177,629.15
5. Step 5: Solve for x
   x = 5,177,629.15/3,592.79
6. Step 6: Final answer
   x = 1,441.12