Finding the Fourth Proportional to 123,429.82, 170,333.70 and 69,715.48

Step by Step Solution

1. Step 1: Write the proportion equation
   123,429.82 : 170,333.70 = 69,715.48 : x
2. Step 2: Convert to fraction form
   123,429.82/170,333.70 = 69,715.48/x
3. Step 3: Cross multiply
   123,429.82x = 170,333.70 × 69,715.48
4. Step 4: Simplify right side
   123,429.82x = 11,874,895,655.68
5. Step 5: Solve for x
   x = 11,874,895,655.68/123,429.82
6. Step 6: Final answer
   x = 96,207.67