Finding the Fourth Proportional to 49,057.20, 73,618.20 and 27,997.20

Step by Step Solution

1. Step 1: Write the proportion equation
   49,057.20 : 73,618.20 = 27,997.20 : x
2. Step 2: Convert to fraction form
   49,057.20/73,618.20 = 27,997.20/x
3. Step 3: Cross multiply
   49,057.20x = 73,618.20 × 27,997.20
4. Step 4: Simplify right side
   49,057.20x = 2,061,103,469.04
5. Step 5: Solve for x
   x = 2,061,103,469.04/49,057.20
6. Step 6: Final answer
   x = 42,014.29