Finding the Fourth Proportional to 123,632.05, 170,563.93 and 80,662.09

Step by Step Solution

1. Step 1: Write the proportion equation
   123,632.05 : 170,563.93 = 80,662.09 : x
2. Step 2: Convert to fraction form
   123,632.05/170,563.93 = 80,662.09/x
3. Step 3: Cross multiply
   123,632.05x = 170,563.93 × 80,662.09
4. Step 4: Simplify right side
   123,632.05x = 13,758,043,072.41
5. Step 5: Solve for x
   x = 13,758,043,072.41/123,632.05
6. Step 6: Final answer
   x = 111,282.17