Finding the Fourth Proportional to 323,626.16, 485,443.37 and 123,958.53

Step by Step Solution

1. Step 1: Write the proportion equation
   323,626.16 : 485,443.37 = 123,958.53 : x
2. Step 2: Convert to fraction form
   323,626.16/485,443.37 = 123,958.53/x
3. Step 3: Cross multiply
   323,626.16x = 485,443.37 × 123,958.53
4. Step 4: Simplify right side
   323,626.16x = 60,174,846,853.34
5. Step 5: Solve for x
   x = 60,174,846,853.34/323,626.16
6. Step 6: Final answer
   x = 185,939.38