Finding the Fourth Proportional to 164,789.48, 227,410.98 and 89,338.16

Step by Step Solution

1. Step 1: Write the proportion equation
   164,789.48 : 227,410.98 = 89,338.16 : x
2. Step 2: Convert to fraction form
   164,789.48/227,410.98 = 89,338.16/x
3. Step 3: Cross multiply
   164,789.48x = 227,410.98 × 89,338.16
4. Step 4: Simplify right side
   164,789.48x = 20,316,478,517.00
5. Step 5: Solve for x
   x = 20,316,478,517.00/164,789.48
6. Step 6: Final answer
   x = 123,287.47