Finding the Fourth Proportional to 111,183.99, 166,566.72 and 54,958.28

Step by Step Solution

1. Step 1: Write the proportion equation
   111,183.99 : 166,566.72 = 54,958.28 : x
2. Step 2: Convert to fraction form
   111,183.99/166,566.72 = 54,958.28/x
3. Step 3: Cross multiply
   111,183.99x = 166,566.72 × 54,958.28
4. Step 4: Simplify right side
   111,183.99x = 9,154,220,852.86
5. Step 5: Solve for x
   x = 9,154,220,852.86/111,183.99
6. Step 6: Final answer
   x = 82,333.98