Finding the Fourth Proportional to 144,665.08, 199,630.83 and 80,129.95

Step by Step Solution

1. Step 1: Write the proportion equation
   144,665.08 : 199,630.83 = 80,129.95 : x
2. Step 2: Convert to fraction form
   144,665.08/199,630.83 = 80,129.95/x
3. Step 3: Cross multiply
   144,665.08x = 199,630.83 × 80,129.95
4. Step 4: Simplify right side
   144,665.08x = 15,996,408,227.77
5. Step 5: Solve for x
   x = 15,996,408,227.77/144,665.08
6. Step 6: Final answer
   x = 110,575.47