Finding the Fourth Proportional to 50,496.87, 69,682.72 and 28,981.65

Step by Step Solution

1. Step 1: Write the proportion equation
   50,496.87 : 69,682.72 = 28,981.65 : x
2. Step 2: Convert to fraction form
   50,496.87/69,682.72 = 28,981.65/x
3. Step 3: Cross multiply
   50,496.87x = 69,682.72 × 28,981.65
4. Step 4: Simplify right side
   50,496.87x = 2,019,519,853.67
5. Step 5: Solve for x
   x = 2,019,519,853.67/50,496.87
6. Step 6: Final answer
   x = 39,992.97