Finding the Fourth Proportional to 2,077.20, 3,116.31 and 1,711.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,077.20 : 3,116.31 = 1,711.22 : x
2. Step 2: Convert to fraction form
   2,077.20/3,116.31 = 1,711.22/x
3. Step 3: Cross multiply
   2,077.20x = 3,116.31 × 1,711.22
4. Step 4: Simplify right side
   2,077.20x = 5,332,692.00
5. Step 5: Solve for x
   x = 5,332,692.00/2,077.20
6. Step 6: Final answer
   x = 2,567.25