Finding the Fourth Proportional to 123,190.22, 170,075.76 and 80,822.72

Step by Step Solution

1. Step 1: Write the proportion equation
   123,190.22 : 170,075.76 = 80,822.72 : x
2. Step 2: Convert to fraction form
   123,190.22/170,075.76 = 80,822.72/x
3. Step 3: Cross multiply
   123,190.22x = 170,075.76 × 80,822.72
4. Step 4: Simplify right side
   123,190.22x = 13,745,985,529.27
5. Step 5: Solve for x
   x = 13,745,985,529.27/123,190.22
6. Step 6: Final answer
   x = 111,583.42