Finding the Fourth Proportional to 40,034.77, 55,245.58 and 22,128.71

Step by Step Solution

1. Step 1: Write the proportion equation
   40,034.77 : 55,245.58 = 22,128.71 : x
2. Step 2: Convert to fraction form
   40,034.77/55,245.58 = 22,128.71/x
3. Step 3: Cross multiply
   40,034.77x = 55,245.58 × 22,128.71
4. Step 4: Simplify right side
   40,034.77x = 1,222,513,087.05
5. Step 5: Solve for x
   x = 1,222,513,087.05/40,034.77
6. Step 6: Final answer
   x = 30,536.29