Finding the Fourth Proportional to 50,991.50, 70,379.51 and 28,338.27

Step by Step Solution

1. Step 1: Write the proportion equation
   50,991.50 : 70,379.51 = 28,338.27 : x
2. Step 2: Convert to fraction form
   50,991.50/70,379.51 = 28,338.27/x
3. Step 3: Cross multiply
   50,991.50x = 70,379.51 × 28,338.27
4. Step 4: Simplify right side
   50,991.50x = 1,994,433,415.16
5. Step 5: Solve for x
   x = 1,994,433,415.16/50,991.50
6. Step 6: Final answer
   x = 39,113.06