Finding the Fourth Proportional to 2,389.25, 3,584.01 and 850.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,389.25 : 3,584.01 = 850.25 : x
2. Step 2: Convert to fraction form
   2,389.25/3,584.01 = 850.25/x
3. Step 3: Cross multiply
   2,389.25x = 3,584.01 × 850.25
4. Step 4: Simplify right side
   2,389.25x = 3,047,304.50
5. Step 5: Solve for x
   x = 3,047,304.50/2,389.25
6. Step 6: Final answer
   x = 1,275.42