Finding the Fourth Proportional to 123,383.58, 170,262.45 and 69,679.50

Step by Step Solution

1. Step 1: Write the proportion equation
   123,383.58 : 170,262.45 = 69,679.50 : x
2. Step 2: Convert to fraction form
   123,383.58/170,262.45 = 69,679.50/x
3. Step 3: Cross multiply
   123,383.58x = 170,262.45 × 69,679.50
4. Step 4: Simplify right side
   123,383.58x = 11,863,802,384.78
5. Step 5: Solve for x
   x = 11,863,802,384.78/123,383.58
6. Step 6: Final answer
   x = 96,153.82