Finding the Fourth Proportional to 111,684.29, 154,204.83 and 68,721.62

Step by Step Solution

1. Step 1: Write the proportion equation
   111,684.29 : 154,204.83 = 68,721.62 : x
2. Step 2: Convert to fraction form
   111,684.29/154,204.83 = 68,721.62/x
3. Step 3: Cross multiply
   111,684.29x = 154,204.83 × 68,721.62
4. Step 4: Simplify right side
   111,684.29x = 10,597,204,958.40
5. Step 5: Solve for x
   x = 10,597,204,958.40/111,684.29
6. Step 6: Final answer
   x = 94,885.37