Finding the Fourth Proportional to 109,553.81, 164,334.78 and 30,665.97

Step by Step Solution

1. Step 1: Write the proportion equation
   109,553.81 : 164,334.78 = 30,665.97 : x
2. Step 2: Convert to fraction form
   109,553.81/164,334.78 = 30,665.97/x
3. Step 3: Cross multiply
   109,553.81x = 164,334.78 × 30,665.97
4. Step 4: Simplify right side
   109,553.81x = 5,039,485,433.44
5. Step 5: Solve for x
   x = 5,039,485,433.44/109,553.81
6. Step 6: Final answer
   x = 46,000.09