Finding the Fourth Proportional to 2,389.46, 3,582.02 and 850.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,389.46 : 3,582.02 = 850.10 : x
2. Step 2: Convert to fraction form
   2,389.46/3,582.02 = 850.10/x
3. Step 3: Cross multiply
   2,389.46x = 3,582.02 × 850.10
4. Step 4: Simplify right side
   2,389.46x = 3,045,059.42
5. Step 5: Solve for x
   x = 3,045,059.42/2,389.46
6. Step 6: Final answer
   x = 1,274.37