Finding the Fourth Proportional to 109,740.81, 164,620.94 and 30,855.72

Step by Step Solution

1. Step 1: Write the proportion equation
   109,740.81 : 164,620.94 = 30,855.72 : x
2. Step 2: Convert to fraction form
   109,740.81/164,620.94 = 30,855.72/x
3. Step 3: Cross multiply
   109,740.81x = 164,620.94 × 30,855.72
4. Step 4: Simplify right side
   109,740.81x = 5,079,497,476.50
5. Step 5: Solve for x
   x = 5,079,497,476.50/109,740.81
6. Step 6: Final answer
   x = 46,286.31