Finding the Fourth Proportional to 111,744, 154,206.72 and 67,046.40

Step by Step Solution

1. Step 1: Write the proportion equation
   111,744 : 154,206.72 = 67,046.40 : x
2. Step 2: Convert to fraction form
   111,744/154,206.72 = 67,046.40/x
3. Step 3: Cross multiply
   111,744x = 154,206.72 × 67,046.40
4. Step 4: Simplify right side
   111,744x = 10,339,005,431.81
5. Step 5: Solve for x
   x = 10,339,005,431.81/111,744
6. Step 6: Final answer
   x = 92,524.03