Finding the Fourth Proportional to 123,381.72, 170,269.83 and 69,667.52

Step by Step Solution

1. Step 1: Write the proportion equation
   123,381.72 : 170,269.83 = 69,667.52 : x
2. Step 2: Convert to fraction form
   123,381.72/170,269.83 = 69,667.52/x
3. Step 3: Cross multiply
   123,381.72x = 170,269.83 × 69,667.52
4. Step 4: Simplify right side
   123,381.72x = 11,862,275,935.57
5. Step 5: Solve for x
   x = 11,862,275,935.57/123,381.72
6. Step 6: Final answer
   x = 96,142.90