Finding the Fourth Proportional to 39,933.78, 55,109.01 and 22,029.42

Step by Step Solution

1. Step 1: Write the proportion equation
   39,933.78 : 55,109.01 = 22,029.42 : x
2. Step 2: Convert to fraction form
   39,933.78/55,109.01 = 22,029.42/x
3. Step 3: Cross multiply
   39,933.78x = 55,109.01 × 22,029.42
4. Step 4: Simplify right side
   39,933.78x = 1,214,019,527.07
5. Step 5: Solve for x
   x = 1,214,019,527.07/39,933.78
6. Step 6: Final answer
   x = 30,400.82