Finding the Fourth Proportional to 123,736.24, 170,756.42 and 67,147.60

Step by Step Solution

1. Step 1: Write the proportion equation
   123,736.24 : 170,756.42 = 67,147.60 : x
2. Step 2: Convert to fraction form
   123,736.24/170,756.42 = 67,147.60/x
3. Step 3: Cross multiply
   123,736.24x = 170,756.42 × 67,147.60
4. Step 4: Simplify right side
   123,736.24x = 11,465,883,787.59
5. Step 5: Solve for x
   x = 11,465,883,787.59/123,736.24
6. Step 6: Final answer
   x = 92,663.91