Finding the Fourth Proportional to 2,398.23, 3,309.15 and 1,350.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,398.23 : 3,309.15 = 1,350.30 : x
2. Step 2: Convert to fraction form
   2,398.23/3,309.15 = 1,350.30/x
3. Step 3: Cross multiply
   2,398.23x = 3,309.15 × 1,350.30
4. Step 4: Simplify right side
   2,398.23x = 4,468,345.25
5. Step 5: Solve for x
   x = 4,468,345.25/2,398.23
6. Step 6: Final answer
   x = 1,863.18