Finding the Fourth Proportional to 144,479.82, 199,380.62 and 80,818.14

Step by Step Solution

1. Step 1: Write the proportion equation
   144,479.82 : 199,380.62 = 80,818.14 : x
2. Step 2: Convert to fraction form
   144,479.82/199,380.62 = 80,818.14/x
3. Step 3: Cross multiply
   144,479.82x = 199,380.62 × 80,818.14
4. Step 4: Simplify right side
   144,479.82x = 16,113,570,860.45
5. Step 5: Solve for x
   x = 16,113,570,860.45/144,479.82
6. Step 6: Final answer
   x = 111,528.18