Finding the Fourth Proportional to 2,081.76, 2,850.98 and 2,054.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,081.76 : 2,850.98 = 2,054.48 : x
2. Step 2: Convert to fraction form
   2,081.76/2,850.98 = 2,054.48/x
3. Step 3: Cross multiply
   2,081.76x = 2,850.98 × 2,054.48
4. Step 4: Simplify right side
   2,081.76x = 5,857,281.39
5. Step 5: Solve for x
   x = 5,857,281.39/2,081.76
6. Step 6: Final answer
   x = 2,813.62