Finding the Fourth Proportional to 169,951.50, 234,372.15 and 123,969.42

Step by Step Solution

1. Step 1: Write the proportion equation
   169,951.50 : 234,372.15 = 123,969.42 : x
2. Step 2: Convert to fraction form
   169,951.50/234,372.15 = 123,969.42/x
3. Step 3: Cross multiply
   169,951.50x = 234,372.15 × 123,969.42
4. Step 4: Simplify right side
   169,951.50x = 29,054,979,499.65
5. Step 5: Solve for x
   x = 29,054,979,499.65/169,951.50
6. Step 6: Final answer
   x = 170,960.42