Finding the Fourth Proportional to 109,635.62, 164,439.78 and 30,756

Step by Step Solution

1. Step 1: Write the proportion equation
   109,635.62 : 164,439.78 = 30,756 : x
2. Step 2: Convert to fraction form
   109,635.62/164,439.78 = 30,756/x
3. Step 3: Cross multiply
   109,635.62x = 164,439.78 × 30,756
4. Step 4: Simplify right side
   109,635.62x = 5,057,509,873.68
5. Step 5: Solve for x
   x = 5,057,509,873.68/109,635.62
6. Step 6: Final answer
   x = 46,130.17