Finding the Fourth Proportional to 140,410.78, 193,744.25 and 79,982.61

Step by Step Solution

1. Step 1: Write the proportion equation
   140,410.78 : 193,744.25 = 79,982.61 : x
2. Step 2: Convert to fraction form
   140,410.78/193,744.25 = 79,982.61/x
3. Step 3: Cross multiply
   140,410.78x = 193,744.25 × 79,982.61
4. Step 4: Simplify right side
   140,410.78x = 15,496,170,410.88
5. Step 5: Solve for x
   x = 15,496,170,410.88/140,410.78
6. Step 6: Final answer
   x = 110,363.11