Finding the Fourth Proportional to 735.82, 1,015.42 and 404.25

Step by Step Solution

1. Step 1: Write the proportion equation
   735.82 : 1,015.42 = 404.25 : x
2. Step 2: Convert to fraction form
   735.82/1,015.42 = 404.25/x
3. Step 3: Cross multiply
   735.82x = 1,015.42 × 404.25
4. Step 4: Simplify right side
   735.82x = 410,483.54
5. Step 5: Solve for x
   x = 410,483.54/735.82
6. Step 6: Final answer
   x = 557.86