Finding the Fourth Proportional to 144,271.86, 199,091.49 and 80,610.18

Step by Step Solution

1. Step 1: Write the proportion equation
   144,271.86 : 199,091.49 = 80,610.18 : x
2. Step 2: Convert to fraction form
   144,271.86/199,091.49 = 80,610.18/x
3. Step 3: Cross multiply
   144,271.86x = 199,091.49 × 80,610.18
4. Step 4: Simplify right side
   144,271.86x = 16,048,800,845.37
5. Step 5: Solve for x
   x = 16,048,800,845.37/144,271.86
6. Step 6: Final answer
   x = 111,239.99