Finding the Fourth Proportional to 2,077.50, 3,116.73 and 709.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,077.50 : 3,116.73 = 709.50 : x
2. Step 2: Convert to fraction form
   2,077.50/3,116.73 = 709.50/x
3. Step 3: Cross multiply
   2,077.50x = 3,116.73 × 709.50
4. Step 4: Simplify right side
   2,077.50x = 2,211,319.94
5. Step 5: Solve for x
   x = 2,211,319.94/2,077.50
6. Step 6: Final answer
   x = 1,064.41