Finding the Fourth Proportional to 1,131.98, 1,697.83 and 352.49

Step by Step Solution

1. Step 1: Write the proportion equation
   1,131.98 : 1,697.83 = 352.49 : x
2. Step 2: Convert to fraction form
   1,131.98/1,697.83 = 352.49/x
3. Step 3: Cross multiply
   1,131.98x = 1,697.83 × 352.49
4. Step 4: Simplify right side
   1,131.98x = 598,458.73
5. Step 5: Solve for x
   x = 598,458.73/1,131.98
6. Step 6: Final answer
   x = 528.69