Finding the Fourth Proportional to 1,046.05, 1,440.25 and 888.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,046.05 : 1,440.25 = 888.37 : x
2. Step 2: Convert to fraction form
   1,046.05/1,440.25 = 888.37/x
3. Step 3: Cross multiply
   1,046.05x = 1,440.25 × 888.37
4. Step 4: Simplify right side
   1,046.05x = 1,279,474.89
5. Step 5: Solve for x
   x = 1,279,474.89/1,046.05
6. Step 6: Final answer
   x = 1,223.15