Finding the Fourth Proportional to 140,076.84, 194,123.82 and 137,418.60

Step by Step Solution

1. Step 1: Write the proportion equation
   140,076.84 : 194,123.82 = 137,418.60 : x
2. Step 2: Convert to fraction form
   140,076.84/194,123.82 = 137,418.60/x
3. Step 3: Cross multiply
   140,076.84x = 194,123.82 × 137,418.60
4. Step 4: Simplify right side
   140,076.84x = 26,676,223,571.05
5. Step 5: Solve for x
   x = 26,676,223,571.05/140,076.84
6. Step 6: Final answer
   x = 190,439.93