Finding the Fourth Proportional to 2,085.56, 3,125.25 and 851.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,085.56 : 3,125.25 = 851.48 : x
2. Step 2: Convert to fraction form
   2,085.56/3,125.25 = 851.48/x
3. Step 3: Cross multiply
   2,085.56x = 3,125.25 × 851.48
4. Step 4: Simplify right side
   2,085.56x = 2,661,087.87
5. Step 5: Solve for x
   x = 2,661,087.87/2,085.56
6. Step 6: Final answer
   x = 1,275.96