Finding the Fourth Proportional to 50,128.41, 69,178.68 and 27,469.40

Step by Step Solution

1. Step 1: Write the proportion equation
   50,128.41 : 69,178.68 = 27,469.40 : x
2. Step 2: Convert to fraction form
   50,128.41/69,178.68 = 27,469.40/x
3. Step 3: Cross multiply
   50,128.41x = 69,178.68 × 27,469.40
4. Step 4: Simplify right side
   50,128.41x = 1,900,297,005.34
5. Step 5: Solve for x
   x = 1,900,297,005.34/50,128.41
6. Step 6: Final answer
   x = 37,908.58