Finding the Fourth Proportional to 1,019.33, 1,525.54 and 629.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,019.33 : 1,525.54 = 629.59 : x
2. Step 2: Convert to fraction form
   1,019.33/1,525.54 = 629.59/x
3. Step 3: Cross multiply
   1,019.33x = 1,525.54 × 629.59
4. Step 4: Simplify right side
   1,019.33x = 960,464.73
5. Step 5: Solve for x
   x = 960,464.73/1,019.33
6. Step 6: Final answer
   x = 942.25