Finding the Fourth Proportional to 39,965.54, 55,151.55 and 22,059.47

Step by Step Solution

1. Step 1: Write the proportion equation
   39,965.54 : 55,151.55 = 22,059.47 : x
2. Step 2: Convert to fraction form
   39,965.54/55,151.55 = 22,059.47/x
3. Step 3: Cross multiply
   39,965.54x = 55,151.55 × 22,059.47
4. Step 4: Simplify right side
   39,965.54x = 1,216,614,100.56
5. Step 5: Solve for x
   x = 1,216,614,100.56/39,965.54
6. Step 6: Final answer
   x = 30,441.58