Finding the Fourth Proportional to 95,449.86, 131,723.82 and 57,196.80

Step by Step Solution

1. Step 1: Write the proportion equation
   95,449.86 : 131,723.82 = 57,196.80 : x
2. Step 2: Convert to fraction form
   95,449.86/131,723.82 = 57,196.80/x
3. Step 3: Cross multiply
   95,449.86x = 131,723.82 × 57,196.80
4. Step 4: Simplify right side
   95,449.86x = 7,534,180,987.78
5. Step 5: Solve for x
   x = 7,534,180,987.78/95,449.86
6. Step 6: Final answer
   x = 78,933.39