Finding the Fourth Proportional to 164,790.50, 227,410.89 and 89,339

Step by Step Solution

1. Step 1: Write the proportion equation
   164,790.50 : 227,410.89 = 89,339 : x
2. Step 2: Convert to fraction form
   164,790.50/227,410.89 = 89,339/x
3. Step 3: Cross multiply
   164,790.50x = 227,410.89 × 89,339
4. Step 4: Simplify right side
   164,790.50x = 20,316,661,501.71
5. Step 5: Solve for x
   x = 20,316,661,501.71/164,790.50
6. Step 6: Final answer
   x = 123,287.82