Finding the Fourth Proportional to 39,944.43, 55,123.61 and 22,040.10

Step by Step Solution

1. Step 1: Write the proportion equation
   39,944.43 : 55,123.61 = 22,040.10 : x
2. Step 2: Convert to fraction form
   39,944.43/55,123.61 = 22,040.10/x
3. Step 3: Cross multiply
   39,944.43x = 55,123.61 × 22,040.10
4. Step 4: Simplify right side
   39,944.43x = 1,214,930,069.67
5. Step 5: Solve for x
   x = 1,214,930,069.67/39,944.43
6. Step 6: Final answer
   x = 30,415.50