Finding the Fourth Proportional to 164,554.12, 227,085.42 and 89,103.16

Step by Step Solution

1. Step 1: Write the proportion equation
   164,554.12 : 227,085.42 = 89,103.16 : x
2. Step 2: Convert to fraction form
   164,554.12/227,085.42 = 89,103.16/x
3. Step 3: Cross multiply
   164,554.12x = 227,085.42 × 89,103.16
4. Step 4: Simplify right side
   164,554.12x = 20,234,028,511.93
5. Step 5: Solve for x
   x = 20,234,028,511.93/164,554.12
6. Step 6: Final answer
   x = 122,962.76