Finding the Fourth Proportional to 123,736.48, 170,756.79 and 67,147.84

Step by Step Solution

1. Step 1: Write the proportion equation
   123,736.48 : 170,756.79 = 67,147.84 : x
2. Step 2: Convert to fraction form
   123,736.48/170,756.79 = 67,147.84/x
3. Step 3: Cross multiply
   123,736.48x = 170,756.79 × 67,147.84
4. Step 4: Simplify right side
   123,736.48x = 11,465,949,613.83
5. Step 5: Solve for x
   x = 11,465,949,613.83/123,736.48
6. Step 6: Final answer
   x = 92,664.26