Finding the Fourth Proportional to 50,243.74, 69,336.40 and 30,112.31

Step by Step Solution

1. Step 1: Write the proportion equation
   50,243.74 : 69,336.40 = 30,112.31 : x
2. Step 2: Convert to fraction form
   50,243.74/69,336.40 = 30,112.31/x
3. Step 3: Cross multiply
   50,243.74x = 69,336.40 × 30,112.31
4. Step 4: Simplify right side
   50,243.74x = 2,087,879,171.08
5. Step 5: Solve for x
   x = 2,087,879,171.08/50,243.74
6. Step 6: Final answer
   x = 41,555.01