Finding the Fourth Proportional to 140,659.74, 194,112.72 and 76,996.44

Step by Step Solution

1. Step 1: Write the proportion equation
   140,659.74 : 194,112.72 = 76,996.44 : x
2. Step 2: Convert to fraction form
   140,659.74/194,112.72 = 76,996.44/x
3. Step 3: Cross multiply
   140,659.74x = 194,112.72 × 76,996.44
4. Step 4: Simplify right side
   140,659.74x = 14,945,988,398.72
5. Step 5: Solve for x
   x = 14,945,988,398.72/140,659.74
6. Step 6: Final answer
   x = 106,256.33