Finding the Fourth Proportional to 50,974, 70,347.24 and 28,618

Step by Step Solution

1. Step 1: Write the proportion equation
   50,974 : 70,347.24 = 28,618 : x
2. Step 2: Convert to fraction form
   50,974/70,347.24 = 28,618/x
3. Step 3: Cross multiply
   50,974x = 70,347.24 × 28,618
4. Step 4: Simplify right side
   50,974x = 2,013,197,314.32
5. Step 5: Solve for x
   x = 2,013,197,314.32/50,974
6. Step 6: Final answer
   x = 39,494.59