Finding the Fourth Proportional to 50,698.41, 69,968.78 and 28,042.71

Step by Step Solution

1. Step 1: Write the proportion equation
   50,698.41 : 69,968.78 = 28,042.71 : x
2. Step 2: Convert to fraction form
   50,698.41/69,968.78 = 28,042.71/x
3. Step 3: Cross multiply
   50,698.41x = 69,968.78 × 28,042.71
4. Step 4: Simplify right side
   50,698.41x = 1,962,114,206.59
5. Step 5: Solve for x
   x = 1,962,114,206.59/50,698.41
6. Step 6: Final answer
   x = 38,701.69