Finding the Fourth Proportional to 49,443.50, 68,236.47 and 28,229.60

Step by Step Solution

1. Step 1: Write the proportion equation
   49,443.50 : 68,236.47 = 28,229.60 : x
2. Step 2: Convert to fraction form
   49,443.50/68,236.47 = 28,229.60/x
3. Step 3: Cross multiply
   49,443.50x = 68,236.47 × 28,229.60
4. Step 4: Simplify right side
   49,443.50x = 1,926,287,912.33
5. Step 5: Solve for x
   x = 1,926,287,912.33/49,443.50
6. Step 6: Final answer
   x = 38,959.38