Finding the Fourth Proportional to 2,026.80, 3,040.56 and 710.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,026.80 : 3,040.56 = 710.50 : x
2. Step 2: Convert to fraction form
   2,026.80/3,040.56 = 710.50/x
3. Step 3: Cross multiply
   2,026.80x = 3,040.56 × 710.50
4. Step 4: Simplify right side
   2,026.80x = 2,160,317.88
5. Step 5: Solve for x
   x = 2,160,317.88/2,026.80
6. Step 6: Final answer
   x = 1,065.88