Finding the Fourth Proportional to 123,207.50, 170,016.57 and 69,475.34

Step by Step Solution

1. Step 1: Write the proportion equation
   123,207.50 : 170,016.57 = 69,475.34 : x
2. Step 2: Convert to fraction form
   123,207.50/170,016.57 = 69,475.34/x
3. Step 3: Cross multiply
   123,207.50x = 170,016.57 × 69,475.34
4. Step 4: Simplify right side
   123,207.50x = 11,811,959,006.38
5. Step 5: Solve for x
   x = 11,811,959,006.38/123,207.50
6. Step 6: Final answer
   x = 95,870.45