Finding the Fourth Proportional to 40,034.91, 55,249.31 and 22,131.57

Step by Step Solution

1. Step 1: Write the proportion equation
   40,034.91 : 55,249.31 = 22,131.57 : x
2. Step 2: Convert to fraction form
   40,034.91/55,249.31 = 22,131.57/x
3. Step 3: Cross multiply
   40,034.91x = 55,249.31 × 22,131.57
4. Step 4: Simplify right side
   40,034.91x = 1,222,753,861.06
5. Step 5: Solve for x
   x = 1,222,753,861.06/40,034.91
6. Step 6: Final answer
   x = 30,542.19