Finding the Fourth Proportional to 50,967, 70,334.50 and 28,618.20

Step by Step Solution

1. Step 1: Write the proportion equation
   50,967 : 70,334.50 = 28,618.20 : x
2. Step 2: Convert to fraction form
   50,967/70,334.50 = 28,618.20/x
3. Step 3: Cross multiply
   50,967x = 70,334.50 × 28,618.20
4. Step 4: Simplify right side
   50,967x = 2,012,846,787.90
5. Step 5: Solve for x
   x = 2,012,846,787.90/50,967
6. Step 6: Final answer
   x = 39,493.14