Finding the Fourth Proportional to 1,047.23, 1,441.89 and 889.54

Step by Step Solution

1. Step 1: Write the proportion equation
   1,047.23 : 1,441.89 = 889.54 : x
2. Step 2: Convert to fraction form
   1,047.23/1,441.89 = 889.54/x
3. Step 3: Cross multiply
   1,047.23x = 1,441.89 × 889.54
4. Step 4: Simplify right side
   1,047.23x = 1,282,618.83
5. Step 5: Solve for x
   x = 1,282,618.83/1,047.23
6. Step 6: Final answer
   x = 1,224.77