Finding the Fourth Proportional to 49,443, 68,235.78 and 28,229.10

Step by Step Solution

1. Step 1: Write the proportion equation
   49,443 : 68,235.78 = 28,229.10 : x
2. Step 2: Convert to fraction form
   49,443/68,235.78 = 28,229.10/x
3. Step 3: Cross multiply
   49,443x = 68,235.78 × 28,229.10
4. Step 4: Simplify right side
   49,443x = 1,926,234,657.20
5. Step 5: Solve for x
   x = 1,926,234,657.20/49,443
6. Step 6: Final answer
   x = 38,958.69