Finding the Fourth Proportional to 1,131.82, 1,697.66 and 401.41

Step by Step Solution

1. Step 1: Write the proportion equation
   1,131.82 : 1,697.66 = 401.41 : x
2. Step 2: Convert to fraction form
   1,131.82/1,697.66 = 401.41/x
3. Step 3: Cross multiply
   1,131.82x = 1,697.66 × 401.41
4. Step 4: Simplify right side
   1,131.82x = 681,449.77
5. Step 5: Solve for x
   x = 681,449.77/1,131.82
6. Step 6: Final answer
   x = 602.08