Finding the Fourth Proportional to 144,443.32, 199,334.52 and 80,788.12

Step by Step Solution

1. Step 1: Write the proportion equation
   144,443.32 : 199,334.52 = 80,788.12 : x
2. Step 2: Convert to fraction form
   144,443.32/199,334.52 = 80,788.12/x
3. Step 3: Cross multiply
   144,443.32x = 199,334.52 × 80,788.12
4. Step 4: Simplify right side
   144,443.32x = 16,103,861,121.90
5. Step 5: Solve for x
   x = 16,103,861,121.90/144,443.32
6. Step 6: Final answer
   x = 111,489.14