Finding the Fourth Proportional to 111,336.92, 166,917.54 and 55,196.36

Step by Step Solution

1. Step 1: Write the proportion equation
   111,336.92 : 166,917.54 = 55,196.36 : x
2. Step 2: Convert to fraction form
   111,336.92/166,917.54 = 55,196.36/x
3. Step 3: Cross multiply
   111,336.92x = 166,917.54 × 55,196.36
4. Step 4: Simplify right side
   111,336.92x = 9,213,240,628.15
5. Step 5: Solve for x
   x = 9,213,240,628.15/111,336.92
6. Step 6: Final answer
   x = 82,750.99