Finding the Fourth Proportional to 123,223.37, 169,969.94 and 80,784.63

Step by Step Solution

1. Step 1: Write the proportion equation
   123,223.37 : 169,969.94 = 80,784.63 : x
2. Step 2: Convert to fraction form
   123,223.37/169,969.94 = 80,784.63/x
3. Step 3: Cross multiply
   123,223.37x = 169,969.94 × 80,784.63
4. Step 4: Simplify right side
   123,223.37x = 13,730,958,310.10
5. Step 5: Solve for x
   x = 13,730,958,310.10/123,223.37
6. Step 6: Final answer
   x = 111,431.45