Finding the Fourth Proportional to 1,300.04, 1,950.05 and 326.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,300.04 : 1,950.05 = 326.15 : x
2. Step 2: Convert to fraction form
   1,300.04/1,950.05 = 326.15/x
3. Step 3: Cross multiply
   1,300.04x = 1,950.05 × 326.15
4. Step 4: Simplify right side
   1,300.04x = 635,997.43
5. Step 5: Solve for x
   x = 635,997.43/1,300.04
6. Step 6: Final answer
   x = 489.22