Finding the Fourth Proportional to 111,979.10, 154,562.91 and 73,766.54

Step by Step Solution

1. Step 1: Write the proportion equation
   111,979.10 : 154,562.91 = 73,766.54 : x
2. Step 2: Convert to fraction form
   111,979.10/154,562.91 = 73,766.54/x
3. Step 3: Cross multiply
   111,979.10x = 154,562.91 × 73,766.54
4. Step 4: Simplify right side
   111,979.10x = 11,401,571,083.03
5. Step 5: Solve for x
   x = 11,401,571,083.03/111,979.10
6. Step 6: Final answer
   x = 101,818.74