Finding the Fourth Proportional to 3,083.18, 4,250.52 and 2,086.88

Step by Step Solution

1. Step 1: Write the proportion equation
   3,083.18 : 4,250.52 = 2,086.88 : x
2. Step 2: Convert to fraction form
   3,083.18/4,250.52 = 2,086.88/x
3. Step 3: Cross multiply
   3,083.18x = 4,250.52 × 2,086.88
4. Step 4: Simplify right side
   3,083.18x = 8,870,325.18
5. Step 5: Solve for x
   x = 8,870,325.18/3,083.18
6. Step 6: Final answer
   x = 2,877.01