Finding the Fourth Proportional to 40,111.29, 55,354.37 and 22,205.79

Step by Step Solution

1. Step 1: Write the proportion equation
   40,111.29 : 55,354.37 = 22,205.79 : x
2. Step 2: Convert to fraction form
   40,111.29/55,354.37 = 22,205.79/x
3. Step 3: Cross multiply
   40,111.29x = 55,354.37 × 22,205.79
4. Step 4: Simplify right side
   40,111.29x = 1,229,187,404.77
5. Step 5: Solve for x
   x = 1,229,187,404.77/40,111.29
6. Step 6: Final answer
   x = 30,644.42