Finding the Fourth Proportional to 109,797.81, 164,706.44 and 30,912.72

Step by Step Solution

1. Step 1: Write the proportion equation
   109,797.81 : 164,706.44 = 30,912.72 : x
2. Step 2: Convert to fraction form
   109,797.81/164,706.44 = 30,912.72/x
3. Step 3: Cross multiply
   109,797.81x = 164,706.44 × 30,912.72
4. Step 4: Simplify right side
   109,797.81x = 5,091,524,061.92
5. Step 5: Solve for x
   x = 5,091,524,061.92/109,797.81
6. Step 6: Final answer
   x = 46,371.82