Finding the Fourth Proportional to 49,168.28, 73,747.56 and 19,578.18

Step by Step Solution

1. Step 1: Write the proportion equation
   49,168.28 : 73,747.56 = 19,578.18 : x
2. Step 2: Convert to fraction form
   49,168.28/73,747.56 = 19,578.18/x
3. Step 3: Cross multiply
   49,168.28x = 73,747.56 × 19,578.18
4. Step 4: Simplify right side
   49,168.28x = 1,443,843,004.24
5. Step 5: Solve for x
   x = 1,443,843,004.24/49,168.28
6. Step 6: Final answer
   x = 29,365.33