Finding the Fourth Proportional to 39,140.82, 54,014.37 and 22,144.71

Step by Step Solution

1. Step 1: Write the proportion equation
   39,140.82 : 54,014.37 = 22,144.71 : x
2. Step 2: Convert to fraction form
   39,140.82/54,014.37 = 22,144.71/x
3. Step 3: Cross multiply
   39,140.82x = 54,014.37 × 22,144.71
4. Step 4: Simplify right side
   39,140.82x = 1,196,132,559.48
5. Step 5: Solve for x
   x = 1,196,132,559.48/39,140.82
6. Step 6: Final answer
   x = 30,559.72