Finding the Fourth Proportional to 2,073.90, 3,110.78 and 1,707.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,073.90 : 3,110.78 = 1,707.59 : x
2. Step 2: Convert to fraction form
   2,073.90/3,110.78 = 1,707.59/x
3. Step 3: Cross multiply
   2,073.90x = 3,110.78 × 1,707.59
4. Step 4: Simplify right side
   2,073.90x = 5,311,912.73
5. Step 5: Solve for x
   x = 5,311,912.73/2,073.90
6. Step 6: Final answer
   x = 2,561.32