Finding the Fourth Proportional to 1,198.98, 1,795.98 and 710.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,198.98 : 1,795.98 = 710.82 : x
2. Step 2: Convert to fraction form
   1,198.98/1,795.98 = 710.82/x
3. Step 3: Cross multiply
   1,198.98x = 1,795.98 × 710.82
4. Step 4: Simplify right side
   1,198.98x = 1,276,618.50
5. Step 5: Solve for x
   x = 1,276,618.50/1,198.98
6. Step 6: Final answer
   x = 1,064.75