Finding the Fourth Proportional to 123,617.88, 170,570.43 and 69,171.14

Step by Step Solution

1. Step 1: Write the proportion equation
   123,617.88 : 170,570.43 = 69,171.14 : x
2. Step 2: Convert to fraction form
   123,617.88/170,570.43 = 69,171.14/x
3. Step 3: Cross multiply
   123,617.88x = 170,570.43 × 69,171.14
4. Step 4: Simplify right side
   123,617.88x = 11,798,551,519.82
5. Step 5: Solve for x
   x = 11,798,551,519.82/123,617.88
6. Step 6: Final answer
   x = 95,443.73