Finding the Fourth Proportional to 120,727.82, 181,128.82 and 57,628.46

Step by Step Solution

1. Step 1: Write the proportion equation
   120,727.82 : 181,128.82 = 57,628.46 : x
2. Step 2: Convert to fraction form
   120,727.82/181,128.82 = 57,628.46/x
3. Step 3: Cross multiply
   120,727.82x = 181,128.82 × 57,628.46
4. Step 4: Simplify right side
   120,727.82x = 10,438,174,958.22
5. Step 5: Solve for x
   x = 10,438,174,958.22/120,727.82
6. Step 6: Final answer
   x = 86,460.39