Finding the Fourth Proportional to 1,554.03, 2,144.43 and 890.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,554.03 : 2,144.43 = 890.82 : x
2. Step 2: Convert to fraction form
   1,554.03/2,144.43 = 890.82/x
3. Step 3: Cross multiply
   1,554.03x = 2,144.43 × 890.82
4. Step 4: Simplify right side
   1,554.03x = 1,910,301.13
5. Step 5: Solve for x
   x = 1,910,301.13/1,554.03
6. Step 6: Final answer
   x = 1,229.26