Finding the Fourth Proportional to 142,076.88, 194,642.46 and 136,758.96

Step by Step Solution

1. Step 1: Write the proportion equation
   142,076.88 : 194,642.46 = 136,758.96 : x
2. Step 2: Convert to fraction form
   142,076.88/194,642.46 = 136,758.96/x
3. Step 3: Cross multiply
   142,076.88x = 194,642.46 × 136,758.96
4. Step 4: Simplify right side
   142,076.88x = 26,619,100,401.44
5. Step 5: Solve for x
   x = 26,619,100,401.44/142,076.88
6. Step 6: Final answer
   x = 187,357.02