Finding the Fourth Proportional to 50,010.42, 69,022.35 and 28,788.42

Step by Step Solution

1. Step 1: Write the proportion equation
   50,010.42 : 69,022.35 = 28,788.42 : x
2. Step 2: Convert to fraction form
   50,010.42/69,022.35 = 28,788.42/x
3. Step 3: Cross multiply
   50,010.42x = 69,022.35 × 28,788.42
4. Step 4: Simplify right side
   50,010.42x = 1,987,044,401.19
5. Step 5: Solve for x
   x = 1,987,044,401.19/50,010.42
6. Step 6: Final answer
   x = 39,732.61