Finding the Fourth Proportional to 443,149.92, 664,666.56 and 123,323.04

Step by Step Solution

1. Step 1: Write the proportion equation
   443,149.92 : 664,666.56 = 123,323.04 : x
2. Step 2: Convert to fraction form
   443,149.92/664,666.56 = 123,323.04/x
3. Step 3: Cross multiply
   443,149.92x = 664,666.56 × 123,323.04
4. Step 4: Simplify right side
   443,149.92x = 81,968,700,765.54
5. Step 5: Solve for x
   x = 81,968,700,765.54/443,149.92
6. Step 6: Final answer
   x = 184,968.33