Finding the Fourth Proportional to 2,786.35, 4,171.32 and 2,059.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,786.35 : 4,171.32 = 2,059.18 : x
2. Step 2: Convert to fraction form
   2,786.35/4,171.32 = 2,059.18/x
3. Step 3: Cross multiply
   2,786.35x = 4,171.32 × 2,059.18
4. Step 4: Simplify right side
   2,786.35x = 8,589,498.72
5. Step 5: Solve for x
   x = 8,589,498.72/2,786.35
6. Step 6: Final answer
   x = 3,082.71