Finding the Fourth Proportional to 144,648.56, 199,622.40 and 80,982.56

Step by Step Solution

1. Step 1: Write the proportion equation
   144,648.56 : 199,622.40 = 80,982.56 : x
2. Step 2: Convert to fraction form
   144,648.56/199,622.40 = 80,982.56/x
3. Step 3: Cross multiply
   144,648.56x = 199,622.40 × 80,982.56
4. Step 4: Simplify right side
   144,648.56x = 16,165,932,985.34
5. Step 5: Solve for x
   x = 16,165,932,985.34/144,648.56
6. Step 6: Final answer
   x = 111,760.07