Finding the Fourth Proportional to 443,146.92, 664,662.06 and 123,320.04

Step by Step Solution

1. Step 1: Write the proportion equation
   443,146.92 : 664,662.06 = 123,320.04 : x
2. Step 2: Convert to fraction form
   443,146.92/664,662.06 = 123,320.04/x
3. Step 3: Cross multiply
   443,146.92x = 664,662.06 × 123,320.04
4. Step 4: Simplify right side
   443,146.92x = 81,966,151,825.68
5. Step 5: Solve for x
   x = 81,966,151,825.68/443,146.92
6. Step 6: Final answer
   x = 184,963.83