Finding the Fourth Proportional to 39,974.76, 55,163.72 and 22,069.38

Step by Step Solution

1. Step 1: Write the proportion equation
   39,974.76 : 55,163.72 = 22,069.38 : x
2. Step 2: Convert to fraction form
   39,974.76/55,163.72 = 22,069.38/x
3. Step 3: Cross multiply
   39,974.76x = 55,163.72 × 22,069.38
4. Step 4: Simplify right side
   39,974.76x = 1,217,429,098.89
5. Step 5: Solve for x
   x = 1,217,429,098.89/39,974.76
6. Step 6: Final answer
   x = 30,454.94