Finding the Fourth Proportional to 40,339.49, 55,667.57 and 22,189.37

Step by Step Solution

1. Step 1: Write the proportion equation
   40,339.49 : 55,667.57 = 22,189.37 : x
2. Step 2: Convert to fraction form
   40,339.49/55,667.57 = 22,189.37/x
3. Step 3: Cross multiply
   40,339.49x = 55,667.57 × 22,189.37
4. Step 4: Simplify right side
   40,339.49x = 1,235,227,918.45
5. Step 5: Solve for x
   x = 1,235,227,918.45/40,339.49
6. Step 6: Final answer
   x = 30,620.82