Finding the Fourth Proportional to 50,155.69, 69,215.58 and 30,013.42

Step by Step Solution

1. Step 1: Write the proportion equation
   50,155.69 : 69,215.58 = 30,013.42 : x
2. Step 2: Convert to fraction form
   50,155.69/69,215.58 = 30,013.42/x
3. Step 3: Cross multiply
   50,155.69x = 69,215.58 × 30,013.42
4. Step 4: Simplify right side
   50,155.69x = 2,077,396,273.08
5. Step 5: Solve for x
   x = 2,077,396,273.08/50,155.69
6. Step 6: Final answer
   x = 41,418.96