Finding the Fourth Proportional to 70.69, 105.98 and 50.41

Step by Step Solution

1. Step 1: Write the proportion equation
   70.69 : 105.98 = 50.41 : x
2. Step 2: Convert to fraction form
   70.69/105.98 = 50.41/x
3. Step 3: Cross multiply
   70.69x = 105.98 × 50.41
4. Step 4: Simplify right side
   70.69x = 5,342.63
5. Step 5: Solve for x
   x = 5,342.63/70.69
6. Step 6: Final answer
   x = 75.58