Finding the Fourth Proportional to 40,046.15, 55,262.71 and 22,140.70

Step by Step Solution

1. Step 1: Write the proportion equation
   40,046.15 : 55,262.71 = 22,140.70 : x
2. Step 2: Convert to fraction form
   40,046.15/55,262.71 = 22,140.70/x
3. Step 3: Cross multiply
   40,046.15x = 55,262.71 × 22,140.70
4. Step 4: Simplify right side
   40,046.15x = 1,223,555,083.30
5. Step 5: Solve for x
   x = 1,223,555,083.30/40,046.15
6. Step 6: Final answer
   x = 30,553.63