Finding the Fourth Proportional to 2,084.35, 3,126.46 and 851.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,084.35 : 3,126.46 = 851.46 : x
2. Step 2: Convert to fraction form
   2,084.35/3,126.46 = 851.46/x
3. Step 3: Cross multiply
   2,084.35x = 3,126.46 × 851.46
4. Step 4: Simplify right side
   2,084.35x = 2,662,063.45
5. Step 5: Solve for x
   x = 2,662,063.45/2,084.35
6. Step 6: Final answer
   x = 1,277.17