Finding the Fourth Proportional to 123,629, 170,608.02 and 67,040.42

Step by Step Solution

1. Step 1: Write the proportion equation
   123,629 : 170,608.02 = 67,040.42 : x
2. Step 2: Convert to fraction form
   123,629/170,608.02 = 67,040.42/x
3. Step 3: Cross multiply
   123,629x = 170,608.02 × 67,040.42
4. Step 4: Simplify right side
   123,629x = 11,437,633,316.17
5. Step 5: Solve for x
   x = 11,437,633,316.17/123,629
6. Step 6: Final answer
   x = 92,515.78