Finding the Fourth Proportional to 108,242.69, 149,278.16 and 67,960.19

Step by Step Solution

1. Step 1: Write the proportion equation
   108,242.69 : 149,278.16 = 67,960.19 : x
2. Step 2: Convert to fraction form
   108,242.69/149,278.16 = 67,960.19/x
3. Step 3: Cross multiply
   108,242.69x = 149,278.16 × 67,960.19
4. Step 4: Simplify right side
   108,242.69x = 10,144,972,659.55
5. Step 5: Solve for x
   x = 10,144,972,659.55/108,242.69
6. Step 6: Final answer
   x = 93,724.33