Finding the Fourth Proportional to 40,676.09, 56,131.25 and 22,279.10

Step by Step Solution

1. Step 1: Write the proportion equation
   40,676.09 : 56,131.25 = 22,279.10 : x
2. Step 2: Convert to fraction form
   40,676.09/56,131.25 = 22,279.10/x
3. Step 3: Cross multiply
   40,676.09x = 56,131.25 × 22,279.10
4. Step 4: Simplify right side
   40,676.09x = 1,250,553,339.82
5. Step 5: Solve for x
   x = 1,250,553,339.82/40,676.09
6. Step 6: Final answer
   x = 30,744.19