Finding the Fourth Proportional to 95,780.39, 132,171.89 and 54,942.45

Step by Step Solution

1. Step 1: Write the proportion equation
   95,780.39 : 132,171.89 = 54,942.45 : x
2. Step 2: Convert to fraction form
   95,780.39/132,171.89 = 54,942.45/x
3. Step 3: Cross multiply
   95,780.39x = 132,171.89 × 54,942.45
4. Step 4: Simplify right side
   95,780.39x = 7,261,847,662.63
5. Step 5: Solve for x
   x = 7,261,847,662.63/95,780.39
6. Step 6: Final answer
   x = 75,817.69