Finding the Fourth Proportional to 1,095.38, 1,642.83 and 326.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,095.38 : 1,642.83 = 326.02 : x
2. Step 2: Convert to fraction form
   1,095.38/1,642.83 = 326.02/x
3. Step 3: Cross multiply
   1,095.38x = 1,642.83 × 326.02
4. Step 4: Simplify right side
   1,095.38x = 535,595.44
5. Step 5: Solve for x
   x = 535,595.44/1,095.38
6. Step 6: Final answer
   x = 488.96