Finding the Fourth Proportional to 127,903.72, 191,993.82 and 54,083.56

Step by Step Solution

1. Step 1: Write the proportion equation
   127,903.72 : 191,993.82 = 54,083.56 : x
2. Step 2: Convert to fraction form
   127,903.72/191,993.82 = 54,083.56/x
3. Step 3: Cross multiply
   127,903.72x = 191,993.82 × 54,083.56
4. Step 4: Simplify right side
   127,903.72x = 10,383,709,283.60
5. Step 5: Solve for x
   x = 10,383,709,283.60/127,903.72
6. Step 6: Final answer
   x = 81,183.79