Finding the Fourth Proportional to 140,843, 194,363.36 and 81,227

Step by Step Solution

1. Step 1: Write the proportion equation
   140,843 : 194,363.36 = 81,227 : x
2. Step 2: Convert to fraction form
   140,843/194,363.36 = 81,227/x
3. Step 3: Cross multiply
   140,843x = 194,363.36 × 81,227
4. Step 4: Simplify right side
   140,843x = 15,787,552,642.72
5. Step 5: Solve for x
   x = 15,787,552,642.72/140,843
6. Step 6: Final answer
   x = 112,093.27