Finding the Fourth Proportional to 144,059.83, 198,813.83 and 80,407.19

Step by Step Solution

1. Step 1: Write the proportion equation
   144,059.83 : 198,813.83 = 80,407.19 : x
2. Step 2: Convert to fraction form
   144,059.83/198,813.83 = 80,407.19/x
3. Step 3: Cross multiply
   144,059.83x = 198,813.83 × 80,407.19
4. Step 4: Simplify right side
   144,059.83x = 15,986,061,498.44
5. Step 5: Solve for x
   x = 15,986,061,498.44/144,059.83
6. Step 6: Final answer
   x = 110,968.21