Finding the Fourth Proportional to 50,165.72, 69,229.25 and 28,658.30

Step by Step Solution

1. Step 1: Write the proportion equation
   50,165.72 : 69,229.25 = 28,658.30 : x
2. Step 2: Convert to fraction form
   50,165.72/69,229.25 = 28,658.30/x
3. Step 3: Cross multiply
   50,165.72x = 69,229.25 × 28,658.30
4. Step 4: Simplify right side
   50,165.72x = 1,983,992,340.77
5. Step 5: Solve for x
   x = 1,983,992,340.77/50,165.72
6. Step 6: Final answer
   x = 39,548.76