Finding the Fourth Proportional to 1,065.07, 1,597.88 and 677.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,065.07 : 1,597.88 = 677.82 : x
2. Step 2: Convert to fraction form
   1,065.07/1,597.88 = 677.82/x
3. Step 3: Cross multiply
   1,065.07x = 1,597.88 × 677.82
4. Step 4: Simplify right side
   1,065.07x = 1,083,075.02
5. Step 5: Solve for x
   x = 1,083,075.02/1,065.07
6. Step 6: Final answer
   x = 1,016.91