Finding the Fourth Proportional to 1,132.24, 1,698.38 and 401.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,132.24 : 1,698.38 = 401.82 : x
2. Step 2: Convert to fraction form
   1,132.24/1,698.38 = 401.82/x
3. Step 3: Cross multiply
   1,132.24x = 1,698.38 × 401.82
4. Step 4: Simplify right side
   1,132.24x = 682,443.05
5. Step 5: Solve for x
   x = 682,443.05/1,132.24
6. Step 6: Final answer
   x = 602.74