Finding the Fourth Proportional to 109,879.24, 164,801.24 and 30,999

Step by Step Solution

1. Step 1: Write the proportion equation
   109,879.24 : 164,801.24 = 30,999 : x
2. Step 2: Convert to fraction form
   109,879.24/164,801.24 = 30,999/x
3. Step 3: Cross multiply
   109,879.24x = 164,801.24 × 30,999
4. Step 4: Simplify right side
   109,879.24x = 5,108,673,638.76
5. Step 5: Solve for x
   x = 5,108,673,638.76/109,879.24
6. Step 6: Final answer
   x = 46,493.53