Finding the Fourth Proportional to 109,821.56, 164,709.86 and 30,936.47

Step by Step Solution

1. Step 1: Write the proportion equation
   109,821.56 : 164,709.86 = 30,936.47 : x
2. Step 2: Convert to fraction form
   109,821.56/164,709.86 = 30,936.47/x
3. Step 3: Cross multiply
   109,821.56x = 164,709.86 × 30,936.47
4. Step 4: Simplify right side
   109,821.56x = 5,095,540,664.36
5. Step 5: Solve for x
   x = 5,095,540,664.36/109,821.56
6. Step 6: Final answer
   x = 46,398.37