Finding the Fourth Proportional to 1,019.34, 1,528.92 and 335.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,019.34 : 1,528.92 = 335.34 : x
2. Step 2: Convert to fraction form
   1,019.34/1,528.92 = 335.34/x
3. Step 3: Cross multiply
   1,019.34x = 1,528.92 × 335.34
4. Step 4: Simplify right side
   1,019.34x = 512,708.03
5. Step 5: Solve for x
   x = 512,708.03/1,019.34
6. Step 6: Final answer
   x = 502.98