Finding the Fourth Proportional to 50,901.72, 76,354.98 and 42,000.54

Step by Step Solution

1. Step 1: Write the proportion equation
   50,901.72 : 76,354.98 = 42,000.54 : x
2. Step 2: Convert to fraction form
   50,901.72/76,354.98 = 42,000.54/x
3. Step 3: Cross multiply
   50,901.72x = 76,354.98 × 42,000.54
4. Step 4: Simplify right side
   50,901.72x = 3,206,950,391.69
5. Step 5: Solve for x
   x = 3,206,950,391.69/50,901.72
6. Step 6: Final answer
   x = 63,002.79