Finding the Fourth Proportional to 111,324.05, 166,591.89 and 69,223.96

Step by Step Solution

1. Step 1: Write the proportion equation
   111,324.05 : 166,591.89 = 69,223.96 : x
2. Step 2: Convert to fraction form
   111,324.05/166,591.89 = 69,223.96/x
3. Step 3: Cross multiply
   111,324.05x = 166,591.89 × 69,223.96
4. Step 4: Simplify right side
   111,324.05x = 11,532,150,537.92
5. Step 5: Solve for x
   x = 11,532,150,537.92/111,324.05
6. Step 6: Final answer
   x = 103,590.83