Finding the Fourth Proportional to 50,020.48, 69,053.33 and 38,664.31

Step by Step Solution

1. Step 1: Write the proportion equation
   50,020.48 : 69,053.33 = 38,664.31 : x
2. Step 2: Convert to fraction form
   50,020.48/69,053.33 = 38,664.31/x
3. Step 3: Cross multiply
   50,020.48x = 69,053.33 × 38,664.31
4. Step 4: Simplify right side
   50,020.48x = 2,669,899,357.65
5. Step 5: Solve for x
   x = 2,669,899,357.65/50,020.48
6. Step 6: Final answer
   x = 53,376.12