Finding the Fourth Proportional to 73,028.72, 109,557.86 and 30,908.72

Step by Step Solution

1. Step 1: Write the proportion equation
   73,028.72 : 109,557.86 = 30,908.72 : x
2. Step 2: Convert to fraction form
   73,028.72/109,557.86 = 30,908.72/x
3. Step 3: Cross multiply
   73,028.72x = 109,557.86 × 30,908.72
4. Step 4: Simplify right side
   73,028.72x = 3,386,293,218.54
5. Step 5: Solve for x
   x = 3,386,293,218.54/73,028.72
6. Step 6: Final answer
   x = 46,369.34