Finding the Fourth Proportional to 213,745.97, 320,471.33 and 93,745.28

Step by Step Solution

1. Step 1: Write the proportion equation
   213,745.97 : 320,471.33 = 93,745.28 : x
2. Step 2: Convert to fraction form
   213,745.97/320,471.33 = 93,745.28/x
3. Step 3: Cross multiply
   213,745.97x = 320,471.33 × 93,745.28
4. Step 4: Simplify right side
   213,745.97x = 30,042,674,895.27
5. Step 5: Solve for x
   x = 30,042,674,895.27/213,745.97
6. Step 6: Final answer
   x = 140,553.17