Finding the Fourth Proportional to 41,379.72, 57,105.30 and 22,518.12

Step by Step Solution

1. Step 1: Write the proportion equation
   41,379.72 : 57,105.30 = 22,518.12 : x
2. Step 2: Convert to fraction form
   41,379.72/57,105.30 = 22,518.12/x
3. Step 3: Cross multiply
   41,379.72x = 57,105.30 × 22,518.12
4. Step 4: Simplify right side
   41,379.72x = 1,285,903,998.04
5. Step 5: Solve for x
   x = 1,285,903,998.04/41,379.72
6. Step 6: Final answer
   x = 31,075.71