Finding the Fourth Proportional to 1,152.73, 1,729.61 and 604.78

Step by Step Solution

1. Step 1: Write the proportion equation
   1,152.73 : 1,729.61 = 604.78 : x
2. Step 2: Convert to fraction form
   1,152.73/1,729.61 = 604.78/x
3. Step 3: Cross multiply
   1,152.73x = 1,729.61 × 604.78
4. Step 4: Simplify right side
   1,152.73x = 1,046,033.54
5. Step 5: Solve for x
   x = 1,046,033.54/1,152.73
6. Step 6: Final answer
   x = 907.44