Finding the Fourth Proportional to 164,821, 227,452.98 and 89,369.48

Step by Step Solution

1. Step 1: Write the proportion equation
   164,821 : 227,452.98 = 89,369.48 : x
2. Step 2: Convert to fraction form
   164,821/227,452.98 = 89,369.48/x
3. Step 3: Cross multiply
   164,821x = 227,452.98 × 89,369.48
4. Step 4: Simplify right side
   164,821x = 20,327,354,547.05
5. Step 5: Solve for x
   x = 20,327,354,547.05/164,821
6. Step 6: Final answer
   x = 123,329.88