Finding the Fourth Proportional to 50,185.71, 69,255.71 and 28,964.52

Step by Step Solution

1. Step 1: Write the proportion equation
   50,185.71 : 69,255.71 = 28,964.52 : x
2. Step 2: Convert to fraction form
   50,185.71/69,255.71 = 28,964.52/x
3. Step 3: Cross multiply
   50,185.71x = 69,255.71 × 28,964.52
4. Step 4: Simplify right side
   50,185.71x = 2,005,958,361.20
5. Step 5: Solve for x
   x = 2,005,958,361.20/50,185.71
6. Step 6: Final answer
   x = 39,970.71