Finding the Fourth Proportional to 144,310.72, 199,148.14 and 80,648.48

Step by Step Solution

1. Step 1: Write the proportion equation
   144,310.72 : 199,148.14 = 80,648.48 : x
2. Step 2: Convert to fraction form
   144,310.72/199,148.14 = 80,648.48/x
3. Step 3: Cross multiply
   144,310.72x = 199,148.14 × 80,648.48
4. Step 4: Simplify right side
   144,310.72x = 16,060,994,785.83
5. Step 5: Solve for x
   x = 16,060,994,785.83/144,310.72
6. Step 6: Final answer
   x = 111,294.54