Finding the Fourth Proportional to 39,977.34, 55,168.38 and 22,072.38

Step by Step Solution

1. Step 1: Write the proportion equation
   39,977.34 : 55,168.38 = 22,072.38 : x
2. Step 2: Convert to fraction form
   39,977.34/55,168.38 = 22,072.38/x
3. Step 3: Cross multiply
   39,977.34x = 55,168.38 × 22,072.38
4. Step 4: Simplify right side
   39,977.34x = 1,217,697,447.34
5. Step 5: Solve for x
   x = 1,217,697,447.34/39,977.34
6. Step 6: Final answer
   x = 30,459.69