Finding the Fourth Proportional to 1,589, 2,192.82 and 890.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,589 : 2,192.82 = 890.42 : x
2. Step 2: Convert to fraction form
   1,589/2,192.82 = 890.42/x
3. Step 3: Cross multiply
   1,589x = 2,192.82 × 890.42
4. Step 4: Simplify right side
   1,589x = 1,952,530.78
5. Step 5: Solve for x
   x = 1,952,530.78/1,589
6. Step 6: Final answer
   x = 1,228.78