Finding the Fourth Proportional to 1,151.82, 1,727.83 and 371.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,151.82 : 1,727.83 = 371.52 : x
2. Step 2: Convert to fraction form
   1,151.82/1,727.83 = 371.52/x
3. Step 3: Cross multiply
   1,151.82x = 1,727.83 × 371.52
4. Step 4: Simplify right side
   1,151.82x = 641,915.30
5. Step 5: Solve for x
   x = 641,915.30/1,151.82
6. Step 6: Final answer
   x = 557.31