Finding the Fourth Proportional to 1,194.41, 1,648.28 and 663.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,194.41 : 1,648.28 = 663.37 : x
2. Step 2: Convert to fraction form
   1,194.41/1,648.28 = 663.37/x
3. Step 3: Cross multiply
   1,194.41x = 1,648.28 × 663.37
4. Step 4: Simplify right side
   1,194.41x = 1,093,413.31
5. Step 5: Solve for x
   x = 1,093,413.31/1,194.41
6. Step 6: Final answer
   x = 915.44