Finding the Fourth Proportional to 50,907.72, 76,363.98 and 42,006.54

Step by Step Solution

1. Step 1: Write the proportion equation
   50,907.72 : 76,363.98 = 42,006.54 : x
2. Step 2: Convert to fraction form
   50,907.72/76,363.98 = 42,006.54/x
3. Step 3: Cross multiply
   50,907.72x = 76,363.98 × 42,006.54
4. Step 4: Simplify right side
   50,907.72x = 3,207,786,580.43
5. Step 5: Solve for x
   x = 3,207,786,580.43/50,907.72
6. Step 6: Final answer
   x = 63,011.79