Finding the Fourth Proportional to 1,152.73, 1,728.34 and 605.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,152.73 : 1,728.34 = 605.37 : x
2. Step 2: Convert to fraction form
   1,152.73/1,728.34 = 605.37/x
3. Step 3: Cross multiply
   1,152.73x = 1,728.34 × 605.37
4. Step 4: Simplify right side
   1,152.73x = 1,046,290.15
5. Step 5: Solve for x
   x = 1,046,290.15/1,152.73
6. Step 6: Final answer
   x = 907.66