Finding the Fourth Proportional to 40,682.96, 56,142.57 and 22,778.72

Step by Step Solution

1. Step 1: Write the proportion equation
   40,682.96 : 56,142.57 = 22,778.72 : x
2. Step 2: Convert to fraction form
   40,682.96/56,142.57 = 22,778.72/x
3. Step 3: Cross multiply
   40,682.96x = 56,142.57 × 22,778.72
4. Step 4: Simplify right side
   40,682.96x = 1,278,855,769.22
5. Step 5: Solve for x
   x = 1,278,855,769.22/40,682.96
6. Step 6: Final answer
   x = 31,434.68