Finding the Fourth Proportional to 40,028.82, 55,238.98 and 22,123.44

Step by Step Solution

1. Step 1: Write the proportion equation
   40,028.82 : 55,238.98 = 22,123.44 : x
2. Step 2: Convert to fraction form
   40,028.82/55,238.98 = 22,123.44/x
3. Step 3: Cross multiply
   40,028.82x = 55,238.98 × 22,123.44
4. Step 4: Simplify right side
   40,028.82x = 1,222,076,259.69
5. Step 5: Solve for x
   x = 1,222,076,259.69/40,028.82
6. Step 6: Final answer
   x = 30,529.91