Finding the Fourth Proportional to 50,559.91, 70,067.58 and 49,846.40

Step by Step Solution

1. Step 1: Write the proportion equation
   50,559.91 : 70,067.58 = 49,846.40 : x
2. Step 2: Convert to fraction form
   50,559.91/70,067.58 = 49,846.40/x
3. Step 3: Cross multiply
   50,559.91x = 70,067.58 × 49,846.40
4. Step 4: Simplify right side
   50,559.91x = 3,492,617,019.72
5. Step 5: Solve for x
   x = 3,492,617,019.72/50,559.91
6. Step 6: Final answer
   x = 69,078.78