Finding the Fourth Proportional to 50,982.74, 70,367.42 and 28,329.50

Step by Step Solution

1. Step 1: Write the proportion equation
   50,982.74 : 70,367.42 = 28,329.50 : x
2. Step 2: Convert to fraction form
   50,982.74/70,367.42 = 28,329.50/x
3. Step 3: Cross multiply
   50,982.74x = 70,367.42 × 28,329.50
4. Step 4: Simplify right side
   50,982.74x = 1,993,473,824.89
5. Step 5: Solve for x
   x = 1,993,473,824.89/50,982.74
6. Step 6: Final answer
   x = 39,100.96