Finding the Fourth Proportional to 1,016.36, 1,527.42 and 605.60

Step by Step Solution

1. Step 1: Write the proportion equation
   1,016.36 : 1,527.42 = 605.60 : x
2. Step 2: Convert to fraction form
   1,016.36/1,527.42 = 605.60/x
3. Step 3: Cross multiply
   1,016.36x = 1,527.42 × 605.60
4. Step 4: Simplify right side
   1,016.36x = 925,005.55
5. Step 5: Solve for x
   x = 925,005.55/1,016.36
6. Step 6: Final answer
   x = 910.12