Finding the Fourth Proportional to 50,018.24, 69,005.45 and 30,864.65

Step by Step Solution

1. Step 1: Write the proportion equation
   50,018.24 : 69,005.45 = 30,864.65 : x
2. Step 2: Convert to fraction form
   50,018.24/69,005.45 = 30,864.65/x
3. Step 3: Cross multiply
   50,018.24x = 69,005.45 × 30,864.65
4. Step 4: Simplify right side
   50,018.24x = 2,129,828,794.48
5. Step 5: Solve for x
   x = 2,129,828,794.48/50,018.24
6. Step 6: Final answer
   x = 42,581.04