Finding the Fourth Proportional to 95,510.72, 131,771.12 and 54,645

Step by Step Solution

1. Step 1: Write the proportion equation
   95,510.72 : 131,771.12 = 54,645 : x
2. Step 2: Convert to fraction form
   95,510.72/131,771.12 = 54,645/x
3. Step 3: Cross multiply
   95,510.72x = 131,771.12 × 54,645
4. Step 4: Simplify right side
   95,510.72x = 7,200,632,852.40
5. Step 5: Solve for x
   x = 7,200,632,852.40/95,510.72
6. Step 6: Final answer
   x = 75,390.83