Finding the Fourth Proportional to 144,426.18, 199,313.56 and 80,763.82

Step by Step Solution

1. Step 1: Write the proportion equation
   144,426.18 : 199,313.56 = 80,763.82 : x
2. Step 2: Convert to fraction form
   144,426.18/199,313.56 = 80,763.82/x
3. Step 3: Cross multiply
   144,426.18x = 199,313.56 × 80,763.82
4. Step 4: Simplify right side
   144,426.18x = 16,097,324,483.40
5. Step 5: Solve for x
   x = 16,097,324,483.40/144,426.18
6. Step 6: Final answer
   x = 111,457.11