Finding the Fourth Proportional to 109,616.90, 164,413.20 and 30,739.10

Step by Step Solution

1. Step 1: Write the proportion equation
   109,616.90 : 164,413.20 = 30,739.10 : x
2. Step 2: Convert to fraction form
   109,616.90/164,413.20 = 30,739.10/x
3. Step 3: Cross multiply
   109,616.90x = 164,413.20 × 30,739.10
4. Step 4: Simplify right side
   109,616.90x = 5,053,913,796.12
5. Step 5: Solve for x
   x = 5,053,913,796.12/109,616.90
6. Step 6: Final answer
   x = 46,105.24