Finding the Fourth Proportional to 2,700.27, 4,047.84 and 850.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,700.27 : 4,047.84 = 850.10 : x
2. Step 2: Convert to fraction form
   2,700.27/4,047.84 = 850.10/x
3. Step 3: Cross multiply
   2,700.27x = 4,047.84 × 850.10
4. Step 4: Simplify right side
   2,700.27x = 3,441,048.54
5. Step 5: Solve for x
   x = 3,441,048.54/2,700.27
6. Step 6: Final answer
   x = 1,274.33