Finding the Fourth Proportional to 116,261.92, 160,446.72 and 68,517.28

Step by Step Solution

1. Step 1: Write the proportion equation
   116,261.92 : 160,446.72 = 68,517.28 : x
2. Step 2: Convert to fraction form
   116,261.92/160,446.72 = 68,517.28/x
3. Step 3: Cross multiply
   116,261.92x = 160,446.72 × 68,517.28
4. Step 4: Simplify right side
   116,261.92x = 10,993,372,839.32
5. Step 5: Solve for x
   x = 10,993,372,839.32/116,261.92
6. Step 6: Final answer
   x = 94,556.95