Finding the Fourth Proportional to 2,084.56, 3,123.75 and 850.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,084.56 : 3,123.75 = 850.48 : x
2. Step 2: Convert to fraction form
   2,084.56/3,123.75 = 850.48/x
3. Step 3: Cross multiply
   2,084.56x = 3,123.75 × 850.48
4. Step 4: Simplify right side
   2,084.56x = 2,656,686.90
5. Step 5: Solve for x
   x = 2,656,686.90/2,084.56
6. Step 6: Final answer
   x = 1,274.46