Finding the Fourth Proportional to 50,449.50, 69,620.31 and 28,093.50

Step by Step Solution

1. Step 1: Write the proportion equation
   50,449.50 : 69,620.31 = 28,093.50 : x
2. Step 2: Convert to fraction form
   50,449.50/69,620.31 = 28,093.50/x
3. Step 3: Cross multiply
   50,449.50x = 69,620.31 × 28,093.50
4. Step 4: Simplify right side
   50,449.50x = 1,955,878,178.99
5. Step 5: Solve for x
   x = 1,955,878,178.99/50,449.50
6. Step 6: Final answer
   x = 38,769.03