Finding the Fourth Proportional to 144,310.96, 199,148.52 and 80,648.74

Step by Step Solution

1. Step 1: Write the proportion equation
   144,310.96 : 199,148.52 = 80,648.74 : x
2. Step 2: Convert to fraction form
   144,310.96/199,148.52 = 80,648.74/x
3. Step 3: Cross multiply
   144,310.96x = 199,148.52 × 80,648.74
4. Step 4: Simplify right side
   144,310.96x = 16,061,077,210.86
5. Step 5: Solve for x
   x = 16,061,077,210.86/144,310.96
6. Step 6: Final answer
   x = 111,294.92