Finding the Fourth Proportional to 144,297.82, 199,106.61 and 80,636.14

Step by Step Solution

1. Step 1: Write the proportion equation
   144,297.82 : 199,106.61 = 80,636.14 : x
2. Step 2: Convert to fraction form
   144,297.82/199,106.61 = 80,636.14/x
3. Step 3: Cross multiply
   144,297.82x = 199,106.61 × 80,636.14
4. Step 4: Simplify right side
   144,297.82x = 16,055,188,478.89
5. Step 5: Solve for x
   x = 16,055,188,478.89/144,297.82
6. Step 6: Final answer
   x = 111,264.25