Finding the Fourth Proportional to 443,158.38, 664,682.17 and 123,334.23

Step by Step Solution

1. Step 1: Write the proportion equation
   443,158.38 : 664,682.17 = 123,334.23 : x
2. Step 2: Convert to fraction form
   443,158.38/664,682.17 = 123,334.23/x
3. Step 3: Cross multiply
   443,158.38x = 664,682.17 × 123,334.23
4. Step 4: Simplify right side
   443,158.38x = 81,978,063,631.68
5. Step 5: Solve for x
   x = 81,978,063,631.68/443,158.38
6. Step 6: Final answer
   x = 184,985.93