Finding the Fourth Proportional to 1,028.82, 1,543.16 and 335.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,028.82 : 1,543.16 = 335.34 : x
2. Step 2: Convert to fraction form
   1,028.82/1,543.16 = 335.34/x
3. Step 3: Cross multiply
   1,028.82x = 1,543.16 × 335.34
4. Step 4: Simplify right side
   1,028.82x = 517,483.27
5. Step 5: Solve for x
   x = 517,483.27/1,028.82
6. Step 6: Final answer
   x = 502.99