Finding the Fourth Proportional to 123,215.73, 170,034.61 and 69,496.50

Step by Step Solution

1. Step 1: Write the proportion equation
   123,215.73 : 170,034.61 = 69,496.50 : x
2. Step 2: Convert to fraction form
   123,215.73/170,034.61 = 69,496.50/x
3. Step 3: Cross multiply
   123,215.73x = 170,034.61 × 69,496.50
4. Step 4: Simplify right side
   123,215.73x = 11,816,810,273.87
5. Step 5: Solve for x
   x = 11,816,810,273.87/123,215.73
6. Step 6: Final answer
   x = 95,903.42