Finding the Fourth Proportional to 164,856.12, 227,501.42 and 89,404.60

Step by Step Solution

1. Step 1: Write the proportion equation
   164,856.12 : 227,501.42 = 89,404.60 : x
2. Step 2: Convert to fraction form
   164,856.12/227,501.42 = 89,404.60/x
3. Step 3: Cross multiply
   164,856.12x = 227,501.42 × 89,404.60
4. Step 4: Simplify right side
   164,856.12x = 20,339,673,454.53
5. Step 5: Solve for x
   x = 20,339,673,454.53/164,856.12
6. Step 6: Final answer
   x = 123,378.33