Finding the Fourth Proportional to 95,571.72, 131,919.72 and 57,877.56

Step by Step Solution

1. Step 1: Write the proportion equation
   95,571.72 : 131,919.72 = 57,877.56 : x
2. Step 2: Convert to fraction form
   95,571.72/131,919.72 = 57,877.56/x
3. Step 3: Cross multiply
   95,571.72x = 131,919.72 × 57,877.56
4. Step 4: Simplify right side
   95,571.72x = 7,635,191,509.48
5. Step 5: Solve for x
   x = 7,635,191,509.48/95,571.72
6. Step 6: Final answer
   x = 79,889.65