Finding the Fourth Proportional to 123,443.48, 170,362.49 and 69,738.35

Step by Step Solution

1. Step 1: Write the proportion equation
   123,443.48 : 170,362.49 = 69,738.35 : x
2. Step 2: Convert to fraction form
   123,443.48/170,362.49 = 69,738.35/x
3. Step 3: Cross multiply
   123,443.48x = 170,362.49 × 69,738.35
4. Step 4: Simplify right side
   123,443.48x = 11,880,798,605.80
5. Step 5: Solve for x
   x = 11,880,798,605.80/123,443.48
6. Step 6: Final answer
   x = 96,244.85