Finding the Fourth Proportional to 1,597.98, 2,205.09 and 889.75

Step by Step Solution

1. Step 1: Write the proportion equation
   1,597.98 : 2,205.09 = 889.75 : x
2. Step 2: Convert to fraction form
   1,597.98/2,205.09 = 889.75/x
3. Step 3: Cross multiply
   1,597.98x = 2,205.09 × 889.75
4. Step 4: Simplify right side
   1,597.98x = 1,961,978.83
5. Step 5: Solve for x
   x = 1,961,978.83/1,597.98
6. Step 6: Final answer
   x = 1,227.79