Finding the Fourth Proportional to 1,016.25, 1,524.45 and 744.06

Step by Step Solution

1. Step 1: Write the proportion equation
   1,016.25 : 1,524.45 = 744.06 : x
2. Step 2: Convert to fraction form
   1,016.25/1,524.45 = 744.06/x
3. Step 3: Cross multiply
   1,016.25x = 1,524.45 × 744.06
4. Step 4: Simplify right side
   1,016.25x = 1,134,282.27
5. Step 5: Solve for x
   x = 1,134,282.27/1,016.25
6. Step 6: Final answer
   x = 1,116.14