Finding the Fourth Proportional to 50,017.48, 69,049.19 and 38,661.31

Step by Step Solution

1. Step 1: Write the proportion equation
   50,017.48 : 69,049.19 = 38,661.31 : x
2. Step 2: Convert to fraction form
   50,017.48/69,049.19 = 38,661.31/x
3. Step 3: Cross multiply
   50,017.48x = 69,049.19 × 38,661.31
4. Step 4: Simplify right side
   50,017.48x = 2,669,532,139.84
5. Step 5: Solve for x
   x = 2,669,532,139.84/50,017.48
6. Step 6: Final answer
   x = 53,371.98