Finding the Fourth Proportional to 144,404.46, 199,296.72 and 80,745.75

Step by Step Solution

1. Step 1: Write the proportion equation
   144,404.46 : 199,296.72 = 80,745.75 : x
2. Step 2: Convert to fraction form
   144,404.46/199,296.72 = 80,745.75/x
3. Step 3: Cross multiply
   144,404.46x = 199,296.72 × 80,745.75
4. Step 4: Simplify right side
   144,404.46x = 16,092,363,128.94
5. Step 5: Solve for x
   x = 16,092,363,128.94/144,404.46
6. Step 6: Final answer
   x = 111,439.52