Finding the Fourth Proportional to 50,009.14, 69,019.86 and 28,788.22

Step by Step Solution

1. Step 1: Write the proportion equation
   50,009.14 : 69,019.86 = 28,788.22 : x
2. Step 2: Convert to fraction form
   50,009.14/69,019.86 = 28,788.22/x
3. Step 3: Cross multiply
   50,009.14x = 69,019.86 × 28,788.22
4. Step 4: Simplify right side
   50,009.14x = 1,986,958,914.05
5. Step 5: Solve for x
   x = 1,986,958,914.05/50,009.14
6. Step 6: Final answer
   x = 39,731.92