Finding the Fourth Proportional to 111,665.40, 154,093.16 and 69,227.88

Step by Step Solution

1. Step 1: Write the proportion equation
   111,665.40 : 154,093.16 = 69,227.88 : x
2. Step 2: Convert to fraction form
   111,665.40/154,093.16 = 69,227.88/x
3. Step 3: Cross multiply
   111,665.40x = 154,093.16 × 69,227.88
4. Step 4: Simplify right side
   111,665.40x = 10,667,542,789.30
5. Step 5: Solve for x
   x = 10,667,542,789.30/111,665.40
6. Step 6: Final answer
   x = 95,531.32