Finding the Fourth Proportional to 164,538.59, 227,063.61 and 89,087.09

Step by Step Solution

1. Step 1: Write the proportion equation
   164,538.59 : 227,063.61 = 89,087.09 : x
2. Step 2: Convert to fraction form
   164,538.59/227,063.61 = 89,087.09/x
3. Step 3: Cross multiply
   164,538.59x = 227,063.61 × 89,087.09
4. Step 4: Simplify right side
   164,538.59x = 20,228,435,124.48
5. Step 5: Solve for x
   x = 20,228,435,124.48/164,538.59
6. Step 6: Final answer
   x = 122,940.37