Finding the Fourth Proportional to 55,171.67, 82,771.37 and 15,728.82

Step by Step Solution

1. Step 1: Write the proportion equation
   55,171.67 : 82,771.37 = 15,728.82 : x
2. Step 2: Convert to fraction form
   55,171.67/82,771.37 = 15,728.82/x
3. Step 3: Cross multiply
   55,171.67x = 82,771.37 × 15,728.82
4. Step 4: Simplify right side
   55,171.67x = 1,301,895,649.83
5. Step 5: Solve for x
   x = 1,301,895,649.83/55,171.67
6. Step 6: Final answer
   x = 23,597.18