Finding the Fourth Proportional to 164,661.48, 227,232.72 and 89,209.98

Step by Step Solution

1. Step 1: Write the proportion equation
   164,661.48 : 227,232.72 = 89,209.98 : x
2. Step 2: Convert to fraction form
   164,661.48/227,232.72 = 89,209.98/x
3. Step 3: Cross multiply
   164,661.48x = 227,232.72 × 89,209.98
4. Step 4: Simplify right side
   164,661.48x = 20,271,426,406.55
5. Step 5: Solve for x
   x = 20,271,426,406.55/164,661.48
6. Step 6: Final answer
   x = 123,109.71