Finding the Fourth Proportional to 123,418.82, 170,318.50 and 69,704.48

Step by Step Solution

1. Step 1: Write the proportion equation
   123,418.82 : 170,318.50 = 69,704.48 : x
2. Step 2: Convert to fraction form
   123,418.82/170,318.50 = 69,704.48/x
3. Step 3: Cross multiply
   123,418.82x = 170,318.50 × 69,704.48
4. Step 4: Simplify right side
   123,418.82x = 11,871,962,476.88
5. Step 5: Solve for x
   x = 11,871,962,476.88/123,418.82
6. Step 6: Final answer
   x = 96,192.48