Finding the Fourth Proportional to 50,867.25, 70,196.81 and 30,995.25

Step by Step Solution

1. Step 1: Write the proportion equation
   50,867.25 : 70,196.81 = 30,995.25 : x
2. Step 2: Convert to fraction form
   50,867.25/70,196.81 = 30,995.25/x
3. Step 3: Cross multiply
   50,867.25x = 70,196.81 × 30,995.25
4. Step 4: Simplify right side
   50,867.25x = 2,175,767,520.18
5. Step 5: Solve for x
   x = 2,175,767,520.18/50,867.25
6. Step 6: Final answer
   x = 42,773.45