Finding the Fourth Proportional to 1,196.98, 1,796.49 and 889.43

Step by Step Solution

1. Step 1: Write the proportion equation
   1,196.98 : 1,796.49 = 889.43 : x
2. Step 2: Convert to fraction form
   1,196.98/1,796.49 = 889.43/x
3. Step 3: Cross multiply
   1,196.98x = 1,796.49 × 889.43
4. Step 4: Simplify right side
   1,196.98x = 1,597,843.12
5. Step 5: Solve for x
   x = 1,597,843.12/1,196.98
6. Step 6: Final answer
   x = 1,334.90