Finding the Fourth Proportional to 140,112.42, 193,347.09 and 79,674.54

Step by Step Solution

1. Step 1: Write the proportion equation
   140,112.42 : 193,347.09 = 79,674.54 : x
2. Step 2: Convert to fraction form
   140,112.42/193,347.09 = 79,674.54/x
3. Step 3: Cross multiply
   140,112.42x = 193,347.09 × 79,674.54
4. Step 4: Simplify right side
   140,112.42x = 15,404,840,456.09
5. Step 5: Solve for x
   x = 15,404,840,456.09/140,112.42
6. Step 6: Final answer
   x = 109,946.29