Finding the Fourth Proportional to 1,152.98, 1,728.12 and 605.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,152.98 : 1,728.12 = 605.42 : x
2. Step 2: Convert to fraction form
   1,152.98/1,728.12 = 605.42/x
3. Step 3: Cross multiply
   1,152.98x = 1,728.12 × 605.42
4. Step 4: Simplify right side
   1,152.98x = 1,046,238.41
5. Step 5: Solve for x
   x = 1,046,238.41/1,152.98
6. Step 6: Final answer
   x = 907.42