Finding the Fourth Proportional to 1,016.25, 1,526.41 and 606.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,016.25 : 1,526.41 = 606.18 : x
2. Step 2: Convert to fraction form
   1,016.25/1,526.41 = 606.18/x
3. Step 3: Cross multiply
   1,016.25x = 1,526.41 × 606.18
4. Step 4: Simplify right side
   1,016.25x = 925,285.70
5. Step 5: Solve for x
   x = 925,285.70/1,016.25
6. Step 6: Final answer
   x = 910.49