Finding the Fourth Proportional to 39,947.46, 55,127.42 and 22,042.41

Step by Step Solution

1. Step 1: Write the proportion equation
   39,947.46 : 55,127.42 = 22,042.41 : x
2. Step 2: Convert to fraction form
   39,947.46/55,127.42 = 22,042.41/x
3. Step 3: Cross multiply
   39,947.46x = 55,127.42 × 22,042.41
4. Step 4: Simplify right side
   39,947.46x = 1,215,141,083.67
5. Step 5: Solve for x
   x = 1,215,141,083.67/39,947.46
6. Step 6: Final answer
   x = 30,418.48