Finding the Fourth Proportional to 144,788.99, 199,816.67 and 80,256.89

Step by Step Solution

1. Step 1: Write the proportion equation
   144,788.99 : 199,816.67 = 80,256.89 : x
2. Step 2: Convert to fraction form
   144,788.99/199,816.67 = 80,256.89/x
3. Step 3: Cross multiply
   144,788.99x = 199,816.67 × 80,256.89
4. Step 4: Simplify right side
   144,788.99x = 16,036,665,204.54
5. Step 5: Solve for x
   x = 16,036,665,204.54/144,788.99
6. Step 6: Final answer
   x = 110,758.88